diff --git a/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/dynamic-form/dynamic-form-properties.component.ts b/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/dynamic-form/dynamic-form-properties.component.ts
index 262d6c57a7..d7b5c2f7a1 100644
--- a/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/dynamic-form/dynamic-form-properties.component.ts
+++ b/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/dynamic-form/dynamic-form-properties.component.ts
@@ -37,7 +37,12 @@ import {
 } from '@angular/forms';
 import { CdkDragDrop } from '@angular/cdk/drag-drop';
 import { TranslateService } from '@ngx-translate/core';
-import { FormProperty, FormPropertyType, propertyValid } from '@shared/models/dynamic-form.models';
+import {
+  cleanupFormProperties,
+  FormProperty,
+  FormPropertyType,
+  propertyValid
+} from '@shared/models/dynamic-form.models';
 import {
   DynamicFormPropertyRowComponent
 } from '@home/components/widget/lib/settings/common/dynamic-form/dynamic-form-property-row.component';
@@ -134,7 +139,7 @@ export class DynamicFormPropertiesComponent implements ControlValueAccessor, OnI
             controls[i].patchValue(p, {emitEvent: false});
           }
         });
-        this.propagateChange(properties);
+        this.propagateChange(cleanupFormProperties(properties));
       }
     );
   }
diff --git a/ui-ngx/src/app/modules/home/pages/widget/widget-editor.models.ts b/ui-ngx/src/app/modules/home/pages/widget/widget-editor.models.ts
index b8175704ca..eb4783b095 100644
--- a/ui-ngx/src/app/modules/home/pages/widget/widget-editor.models.ts
+++ b/ui-ngx/src/app/modules/home/pages/widget/widget-editor.models.ts
@@ -54,8 +54,24 @@ const widgetEditorCompletions = (settingsCompletions?: TbEditorCompletions): TbE
               description: 'Called when widget element is destroyed. Should be used to cleanup all resources if necessary.',
               meta: 'function'
             },
+            getSettingsForm: {
+              description: 'Optional function returning widget settings form array as alternative to <b>Settings form</b> tab of settings section.',
+              meta: 'function',
+              return: {
+                description: 'An array of widget settings form properties',
+                type: 'Array&lt;FormProperty&gt;'
+              }
+            },
+            getDataKeySettingsForm: {
+              description: 'Optional function returning particular data key settings form array as alternative to <b>Data key settings form</b> tab of settings section.',
+              meta: 'function',
+              return: {
+                description: 'An array of data key settings form properties',
+                type: 'Array&lt;FormProperty&gt;'
+              }
+            },
             getSettingsSchema: {
-              description: 'Optional function returning widget settings schema json as alternative to <b>Settings tab</b> of <a href="https://thingsboard.io/docs/user-guide/contribution/widgets-development/#settings-schema-section" target="_blank">Settings schema section</a>.',
+              description: '<b>Deprecated</b>. Use getSettingsForm() function.',
               meta: 'function',
               return: {
                 description: 'An widget settings schema json',
@@ -63,7 +79,7 @@ const widgetEditorCompletions = (settingsCompletions?: TbEditorCompletions): TbE
               }
             },
             getDataKeySettingsSchema: {
-              description: 'Optional function returning particular data key settings schema json as alternative to <b>Data key settings schema</b> of <a href="https://thingsboard.io/docs/user-guide/contribution/widgets-development/#settings-schema-section" target="_blank">Settings schema section</a>.',
+              description: '<b>Deprecated</b>. Use getDataKeySettingsForm() function.',
               meta: 'function',
               return: {
                 description: 'A particular data key settings schema json',
diff --git a/ui-ngx/src/app/shared/import-export/import-dialog.component.html b/ui-ngx/src/app/shared/import-export/import-dialog.component.html
index c472fb2526..8bbe1599c4 100644
--- a/ui-ngx/src/app/shared/import-export/import-dialog.component.html
+++ b/ui-ngx/src/app/shared/import-export/import-dialog.component.html
@@ -15,7 +15,7 @@
     limitations under the License.
 
 -->
-<form [formGroup]="importFormGroup" (ngSubmit)="importFromJson()">
+<form [formGroup]="importFormGroup" (ngSubmit)="importFromJson()" style="width: 500px;">
   <mat-toolbar color="primary">
     <h2 translate>{{ importTitle }}</h2>
     <span class="flex-1"></span>
@@ -30,15 +30,28 @@
   <div mat-dialog-content>
     <fieldset [disabled]="isLoading$ | async">
       <div class="flex flex-1 flex-col">
-        <tb-file-input
+        <tb-toggle-select *ngIf="enableImportFromContent"
+                          class="flex-1"
+                          formControlName="importType">
+          <tb-toggle-option value="file">{{ importFileLabel | translate }}</tb-toggle-option>
+          <tb-toggle-option value="content">{{ importContentLabel | translate }}</tb-toggle-option>
+        </tb-toggle-select>
+        <tb-file-input *ngIf="importFormGroup.get('importType').value === 'file'"
           [contentConvertFunction]="loadDataFromJsonContent"
-          formControlName="jsonContent"
+          [existingFileName]="currentFileName"
+          (fileNameChanged)="currentFileName = $event"
+          formControlName="fileContent"
           required
           label="{{importFileLabel | translate}}"
           dropLabel="{{ 'import.drop-json-file-or' | translate }}"
           accept=".json,application/json"
           allowedExtensions="json">
         </tb-file-input>
+        <tb-json-object-edit *ngIf="importFormGroup.get('importType').value === 'content'"
+          formControlName="jsonContent"
+          jsonRequired
+          label="{{ importContentLabel | translate }}">
+        </tb-json-object-edit>
       </div>
     </fieldset>
   </div>
diff --git a/ui-ngx/src/app/shared/import-export/import-dialog.component.ts b/ui-ngx/src/app/shared/import-export/import-dialog.component.ts
index b68fe3b2cd..e4256229c4 100644
--- a/ui-ngx/src/app/shared/import-export/import-dialog.component.ts
+++ b/ui-ngx/src/app/shared/import-export/import-dialog.component.ts
@@ -14,7 +14,7 @@
 /// limitations under the License.
 ///
 
-import { Component, Inject, OnInit, SkipSelf } from '@angular/core';
+import { Component, DestroyRef, Inject, OnInit, SkipSelf } from '@angular/core';
 import { ErrorStateMatcher } from '@angular/material/core';
 import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
 import { Store } from '@ngrx/store';
@@ -23,10 +23,14 @@ import { UntypedFormBuilder, UntypedFormControl, UntypedFormGroup, FormGroupDire
 import { Router } from '@angular/router';
 import { DialogComponent } from '@app/shared/components/dialog.component';
 import { ActionNotificationShow } from '@core/notification/notification.actions';
+import { isDefinedAndNotNull } from '@core/utils';
+import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
 
 export interface ImportDialogData {
   importTitle: string;
   importFileLabel: string;
+  enableImportFromContent?: boolean;
+  importContentLabel?: string;
 }
 
 @Component({
@@ -40,9 +44,13 @@ export class ImportDialogComponent extends DialogComponent<ImportDialogComponent
 
   importTitle: string;
   importFileLabel: string;
+  enableImportFromContent: boolean;
+  importContentLabel: string;
 
   importFormGroup: UntypedFormGroup;
 
+  currentFileName: string;
+
   submitted = false;
 
   constructor(protected store: Store<AppState>,
@@ -50,17 +58,26 @@ export class ImportDialogComponent extends DialogComponent<ImportDialogComponent
               @Inject(MAT_DIALOG_DATA) public data: ImportDialogData,
               @SkipSelf() private errorStateMatcher: ErrorStateMatcher,
               public dialogRef: MatDialogRef<ImportDialogComponent>,
+              private destroyRef: DestroyRef,
               private fb: UntypedFormBuilder) {
     super(store, router, dialogRef);
     this.importTitle = data.importTitle;
     this.importFileLabel = data.importFileLabel;
-
-    this.importFormGroup = this.fb.group({
-      jsonContent: [null, [Validators.required]]
-    });
+    this.enableImportFromContent = isDefinedAndNotNull(data.enableImportFromContent) ? data.enableImportFromContent : false;
+    this.importContentLabel = data.importContentLabel;
   }
 
   ngOnInit(): void {
+    this.importFormGroup = this.fb.group({
+      importType: ['file'],
+      fileContent: [null, [Validators.required]],
+      jsonContent: [null, [Validators.required]]
+    });
+    this.importFormGroup.get('importType').valueChanges.pipe(
+      takeUntilDestroyed(this.destroyRef)
+    ).subscribe(() => {
+      this.importTypeChanged();
+    });
   }
 
   isErrorState(control: UntypedFormControl | null, form: FormGroupDirective | NgForm | null): boolean {
@@ -85,7 +102,19 @@ export class ImportDialogComponent extends DialogComponent<ImportDialogComponent
 
   importFromJson(): void {
     this.submitted = true;
-    const importData = this.importFormGroup.get('jsonContent').value;
+    const importType: 'file' | 'content' = this.importFormGroup.get('importType').value;
+    const importData = this.importFormGroup.get(importType === 'file' ? 'fileContent' : 'jsonContent').value;
     this.dialogRef.close(importData);
   }
+
+  private importTypeChanged() {
+    const importType: 'file' | 'content' = this.importFormGroup.get('importType').value;
+    if (importType === 'file') {
+      this.importFormGroup.get('fileContent').enable({emitEvent: false});
+      this.importFormGroup.get('jsonContent').disable({emitEvent: false});
+    } else {
+      this.importFormGroup.get('fileContent').disable({emitEvent: false});
+      this.importFormGroup.get('jsonContent').enable({emitEvent: false});
+    }
+  }
 }
diff --git a/ui-ngx/src/app/shared/import-export/import-export.service.ts b/ui-ngx/src/app/shared/import-export/import-export.service.ts
index 7620249034..3dcc424666 100644
--- a/ui-ngx/src/app/shared/import-export/import-export.service.ts
+++ b/ui-ngx/src/app/shared/import-export/import-export.service.ts
@@ -125,7 +125,8 @@ export class ImportExportService {
   }
 
   public importFormProperties(): Observable<FormProperty[]> {
-    return this.openImportDialog('dynamic-form.import-form', 'dynamic-form.form-json-file').pipe(
+    return this.openImportDialog('dynamic-form.import-form',
+      'dynamic-form.json-file', true, 'dynamic-form.json-content').pipe(
       map((properties: FormProperty[]) => {
         if (!this.validateImportedFormProperties(properties)) {
           this.store.dispatch(new ActionNotificationShow(
@@ -1134,14 +1135,17 @@ export class ImportExportService {
     };
   }
 
-  private openImportDialog(importTitle: string, importFileLabel: string): Observable<any> {
+  private openImportDialog(importTitle: string, importFileLabel: string,
+                           enableImportFromContent = false, importContentLabel?: string): Observable<any> {
     return this.dialog.open<ImportDialogComponent, ImportDialogData,
       any>(ImportDialogComponent, {
       disableClose: true,
       panelClass: ['tb-dialog', 'tb-fullscreen-dialog'],
       data: {
         importTitle,
-        importFileLabel
+        importFileLabel,
+        enableImportFromContent,
+        importContentLabel
       }
     }).afterClosed().pipe(
       map((importedData) => {
diff --git a/ui-ngx/src/app/shared/models/ace/widget-completion.models.ts b/ui-ngx/src/app/shared/models/ace/widget-completion.models.ts
index 4370a2cd49..d6a2c0a25f 100644
--- a/ui-ngx/src/app/shared/models/ace/widget-completion.models.ts
+++ b/ui-ngx/src/app/shared/models/ace/widget-completion.models.ts
@@ -325,7 +325,7 @@ export const widgetContextCompletionsWithSettings = (settingsCompletions?: TbEdi
                 type: 'object'
               },
               settings: {
-                description: 'Widget settings containing widget specific properties according to the defined <a href="https://thingsboard.io/docs/user-guide/contribution/widgets-development/#settings-schema-section" target="_blank">settings json schema</a>',
+                description: 'Widget settings containing widget specific properties according to the defined settings form.',
                 meta: 'property',
                 type: 'object',
                 children: settingsCompletions
@@ -363,7 +363,7 @@ export const widgetContextCompletionsWithSettings = (settingsCompletions?: TbEdi
             }
           },
           settings: {
-            description: 'Widget settings containing widget specific properties according to the defined <a href="https://thingsboard.io/docs/user-guide/contribution/widgets-development/#settings-schema-section" target="_blank">settings json schema</a>',
+            description: 'Widget settings containing widget specific properties according to the defined settings form.',
             meta: 'property',
             type: 'object',
             children: settingsCompletions
diff --git a/ui-ngx/src/app/shared/models/dynamic-form.models.ts b/ui-ngx/src/app/shared/models/dynamic-form.models.ts
index bb7f134c28..d0ee306f89 100644
--- a/ui-ngx/src/app/shared/models/dynamic-form.models.ts
+++ b/ui-ngx/src/app/shared/models/dynamic-form.models.ts
@@ -16,8 +16,8 @@
 
 import { CustomTranslatePipe } from '@shared/pipe/custom-translate.pipe';
 import { TbEditorCompletion, TbEditorCompletions } from '@shared/models/ace/completion.models';
-import { deepClone, isDefinedAndNotNull, isString } from '@core/utils';
-import { JsonSchema, JsonSettingsSchema, JsonFormData, KeyLabelItem } from '@shared/legacy/json-form.models';
+import { deepClone, isDefinedAndNotNull, isEmptyStr, isString, isUndefinedOrNull } from '@core/utils';
+import { JsonFormData, JsonSchema, JsonSettingsSchema, KeyLabelItem } from '@shared/legacy/json-form.models';
 import JsonFormUtils from '@shared/legacy/json-form-utils';
 import { constantColor, Font } from '@shared/models/widget-settings.models';
 import { DomSanitizer, SafeHtml } from '@angular/platform-browser';
@@ -165,6 +165,63 @@ export interface FormHtmlSection extends FormPropertyBase {
 export type FormProperty = FormPropertyBase & FormTextareaProperty & FormNumberProperty & FormSelectProperty & FormRadiosProperty
   & FormDateTimeProperty & FormJavascriptProperty & FormMarkdownProperty & FormFieldSetProperty & FormArrayProperty & FormHtmlSection;
 
+export const cleanupFormProperties = (properties: FormProperty[]): FormProperty[] => {
+  for (const property of properties) {
+    cleanupFormProperty(property);
+  }
+  return properties;
+}
+
+export const cleanupFormProperty = (property: FormProperty): FormProperty => {
+  if (property.type !== FormPropertyType.number) {
+    delete property.min;
+    delete property.max;
+    delete property.step;
+  }
+  if (property.type !== FormPropertyType.textarea) {
+    delete property.rows;
+  }
+  if (property.type !== FormPropertyType.fieldset) {
+    delete property.properties;
+  } else if (property.properties?.length) {
+    property.properties = cleanupFormProperties(property.properties);
+  }
+  if (property.type !== FormPropertyType.array) {
+    delete property.arrayItemName;
+    delete property.arrayItemType;
+  }
+  if (property.type !== FormPropertyType.select) {
+    delete property.multiple;
+    delete property.allowEmptyOption;
+    delete property.minItems;
+    delete property.maxItems;
+  }
+  if (property.type !== FormPropertyType.radios) {
+    delete property.direction;
+  }
+  if (![FormPropertyType.select, FormPropertyType.radios].includes(property.type)) {
+    delete property.items;
+  }
+  if (property.type !== FormPropertyType.datetime) {
+    delete property.allowClear;
+    delete property.dateTimeType;
+  }
+  if (![FormPropertyType.javascript, FormPropertyType.markdown].includes(property.type)) {
+    delete property.helpId;
+  }
+  if (property.type !== FormPropertyType.htmlSection) {
+    delete property.htmlClassList;
+    delete property.htmlContent;
+  }
+  for (const key of Object.keys(property)) {
+    const val = property[key];
+    if (isUndefinedOrNull(val) || isEmptyStr(val)) {
+      delete property[key];
+    }
+  }
+  return property;
+}
+
 export enum FormPropertyContainerType {
   field = 'field',
   row = 'row',
diff --git a/ui-ngx/src/assets/help/en_US/widget/editor/examples/alarm_widget.md b/ui-ngx/src/assets/help/en_US/widget/editor/examples/alarm_widget.md
index c0126214c7..9853bebd43 100644
--- a/ui-ngx/src/assets/help/en_US/widget/editor/examples/alarm_widget.md
+++ b/ui-ngx/src/assets/help/en_US/widget/editor/examples/alarm_widget.md
@@ -40,32 +40,25 @@ The **Widget Editor** will be opened, pre-populated with the content of the defa
 {:copy-code}
 ```
 
- - Put the following JSON content inside the "Settings schema" tab of **Settings schema section**:
+ - Import the following JSON content inside the "Settings form" tab by clicking on 'Import form from JSON' button:
 
 ```json
-{
-    "schema": {
-        "type": "object",
-        "title": "AlarmTableSettings",
-        "properties": {
-            "alarmSeverityColorFunction": {
-                "title": "Alarm severity color function: f(severity)",
-                "type": "string",
-                "default": "if(severity == 'CRITICAL') {return 'red';} else if (severity == 'MAJOR') {return 'orange';} else return 'green'; "
-            }
-        },
-        "required": []
-    },
-    "form": [
-        {
-            "key": "alarmSeverityColorFunction",
-            "type": "javascript"
-        }
-    ]
-}
+[
+  {
+    "id": "alarmSeverityColorFunction",
+    "name": "Alarm severity color function: f(severity)",
+    "type": "javascript",
+    "default": "if (severity == 'CRITICAL') {\n    return 'red';\n} else if (severity == 'MAJOR') {\n    return 'orange';\n} else return 'green';",
+    "required": false
+  }
+]
 {:copy-code}
 ```
 
+ - Clear all 'form selector' fields in the "Widget settings" tab.
+
+ - Turn off 'Has basic mode' switch in the "Widget settings" tab.
+
  - Put the following JavaScript code inside the "JavaScript" section:
 
 ```javascript
diff --git a/ui-ngx/src/assets/help/en_US/widget/editor/examples/rpc_widget.md b/ui-ngx/src/assets/help/en_US/widget/editor/examples/rpc_widget.md
index 44abed8a46..7c7121cd44 100644
--- a/ui-ngx/src/assets/help/en_US/widget/editor/examples/rpc_widget.md
+++ b/ui-ngx/src/assets/help/en_US/widget/editor/examples/rpc_widget.md
@@ -40,35 +40,28 @@ The **Widget Editor** will open, pre-populated with default **Control** template
 {:copy-code}
 ```
 
- - Put the following JSON content inside the "Settings schema" tab of **Settings schema section**:
+ - Import the following JSON content inside the "Settings form" tab by clicking on 'Import form from JSON' button:
 
 ```json
-{
-    "schema": {
-        "type": "object",
-        "title": "Settings",
-        "properties": {
-            "oneWayElseTwoWay": {
-                "title": "Is One Way Command",
-                "type": "boolean",
-                "default": true
-            },
-            "requestTimeout": {
-                "title": "RPC request timeout",
-                "type": "number",
-                "default": 500
-            }
-        },
-        "required": []
-    },
-    "form": [
-        "oneWayElseTwoWay",
-        "requestTimeout"
-    ]
-}
+[
+  {
+    "id": "oneWayElseTwoWay",
+    "name": "Is One Way Command",
+    "type": "switch",
+    "default": true
+  },
+  {
+    "id": "requestTimeout",
+    "name": "RPC request timeout",
+    "type": "number",
+    "default": 500
+  }
+]
 {:copy-code}
 ```
 
+ - Clear value of 'Settings form selector' in the "Widget settings" tab. 
+   
  - Put the following JavaScript code inside the "JavaScript" section:
 
 ```javascript
diff --git a/ui-ngx/src/assets/help/en_US/widget/editor/examples/static_widget.md b/ui-ngx/src/assets/help/en_US/widget/editor/examples/static_widget.md
index d7c7901052..3a3bfe115d 100644
--- a/ui-ngx/src/assets/help/en_US/widget/editor/examples/static_widget.md
+++ b/ui-ngx/src/assets/help/en_US/widget/editor/examples/static_widget.md
@@ -17,28 +17,23 @@ The **Widget Editor** will be opened pre-populated with the content of default *
 {:copy-code}
 ```
 
- - Put the following JSON content inside the "Settings schema" tab of **Settings schema section**:
+ - Import the following JSON content inside the "Settings form" tab by clicking on 'Import form from JSON' button:
 
 ```json
-{
-    "schema": {
-        "type": "object",
-        "title": "Settings",
-        "properties": {
-            "alertContent": {
-                "title": "Alert content",
-                "type": "string",
-                "default": "Content derived from alertContent property of widget settings."
-            }
-        }
-    },
-    "form": [
-        "alertContent"
-    ]
-}
+[
+  {
+    "id": "alertContent",
+    "name": "Alert content",
+    "type": "text",
+    "default": "Content derived from alertContent property of widget settings.",
+    "fieldClass": "flex"
+  }
+]
 {:copy-code}
 ```
 
+ - Clear value of 'Settings form selector' in the "Widget settings" tab.
+
  - Put the following JavaScript code inside the "JavaScript" section:
 
 ```javascript
diff --git a/ui-ngx/src/assets/help/en_US/widget/editor/widget_js_fn.md b/ui-ngx/src/assets/help/en_US/widget/editor/widget_js_fn.md
index 32b005bedd..015bac28b4 100644
--- a/ui-ngx/src/assets/help/en_US/widget/editor/widget_js_fn.md
+++ b/ui-ngx/src/assets/help/en_US/widget/editor/widget_js_fn.md
@@ -10,18 +10,20 @@ Each widget function should be defined as a property of the **self** variable.
 
 In order to implement a new widget, the following JavaScript functions should be defined *(Note: each function is optional and can be implemented according to  widget specific behaviour):*
 
-|{:auto} **Function**                       | **Description**                                                                        |
-|------------------------------------|----------------------------------------------------------------------------------------|
-| ``` onInit() ```                   | The first function which is called when widget is ready for initialization. Should be used to prepare widget DOM, process widget settings and initial subscription information. |
-| ``` onDataUpdated() ```            | Called when the new data is available from the widget subscription. Latest data can be accessed from the <span trigger-style="fontSize: 16px;" trigger-text="<b>defaultSubscription</b>" tb-help-popup="widget/editor/widget_js_subscription_object"></span> object of widget context (**ctx**). |
-| ``` onResize() ```                 | Called when widget container is resized. Latest width and height can be obtained from widget context (**ctx**).             |
-| ``` onEditModeChanged() ```        | Called when dashboard editing mode is changed. Latest mode is handled by isEdit property of **ctx**.             |
-| ``` onMobileModeChanged() ```      | Called when dashboard view width crosses mobile breakpoint. Latest state is handled by isMobile property of **ctx**.                 |
-| ``` onDestroy() ```                | Called when widget element is destroyed. Should be used to cleanup all resources if necessary.            |
-| ``` getSettingsSchema() ```        | Optional function returning widget settings schema json as alternative to **Settings schema** of settings section.             |
-| ``` getDataKeySettingsSchema() ``` | Optional function returning particular data key settings schema json as alternative to **Data key settings schema** tab of settings section.                   |
-| ``` typeParameters() ```           | Returns [WidgetTypeParameters{:target="_blank"}](https://github.com/thingsboard/thingsboard/blob/2627fe51d491055d4140f16617ed543f7f5bd8f6/ui-ngx/src/app/shared/models/widget.models.ts#L151) object describing widget datasource parameters. See <span trigger-style="fontSize: 16px;" trigger-text="<b>Type parameters object</b>" tb-help-popup="widget/editor/widget_js_type_parameters_object"></span> |            |
-| ``` actionSources() ```            | Returns map describing available widget action sources ([WidgetActionSource{:target="_blank"}](https://github.com/thingsboard/thingsboard/blob/2627fe51d491055d4140f16617ed543f7f5bd8f6/ui-ngx/src/app/shared/models/widget.models.ts#L121)) used to define user actions. See <span trigger-style="fontSize: 16px;" trigger-text="<b>Action sources object</b>" tb-help-popup="widget/editor/widget_js_action_sources_object"></span> |
+| {:auto} **Function**              | **Description**                                                                                                                                                                                                                                                                                                                                                                                                                       |
+|-----------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| ``` onInit() ```                  | The first function which is called when widget is ready for initialization. Should be used to prepare widget DOM, process widget settings and initial subscription information.                                                                                                                                                                                                                                                       |
+| ``` onDataUpdated() ```           | Called when the new data is available from the widget subscription. Latest data can be accessed from the <span trigger-style="fontSize: 16px;" trigger-text="<b>defaultSubscription</b>" tb-help-popup="widget/editor/widget_js_subscription_object"></span> object of widget context (**ctx**).                                                                                                                                      |
+| ``` onResize() ```                | Called when widget container is resized. Latest width and height can be obtained from widget context (**ctx**).                                                                                                                                                                                                                                                                                                                       |
+| ``` onEditModeChanged() ```       | Called when dashboard editing mode is changed. Latest mode is handled by isEdit property of **ctx**.                                                                                                                                                                                                                                                                                                                                  |
+| ``` onMobileModeChanged() ```     | Called when dashboard view width crosses mobile breakpoint. Latest state is handled by isMobile property of **ctx**.                                                                                                                                                                                                                                                                                                                  |
+| ``` onDestroy() ```               | Called when widget element is destroyed. Should be used to cleanup all resources if necessary.                                                                                                                                                                                                                                                                                                                                        |
+| ``` getSettingsForm() ```         | Optional function returning widget settings form array as alternative to **Settings form** tab of settings section.                                                                                                                                                                                                                                                                                                                   |
+| ``` getDataKeySettingsForm() ```  | Optional function returning particular data key settings form array as alternative to **Data key settings form** tab of settings section.                                                                                                                                                                                                                                                                                             |
+| ``` typeParameters() ```          | Returns [WidgetTypeParameters{:target="_blank"}](https://github.com/thingsboard/thingsboard/blob/2627fe51d491055d4140f16617ed543f7f5bd8f6/ui-ngx/src/app/shared/models/widget.models.ts#L151) object describing widget datasource parameters. See <span trigger-style="fontSize: 16px;" trigger-text="<b>Type parameters object</b>" tb-help-popup="widget/editor/widget_js_type_parameters_object"></span>                           |            |
+| ``` actionSources() ```           | Returns map describing available widget action sources ([WidgetActionSource{:target="_blank"}](https://github.com/thingsboard/thingsboard/blob/2627fe51d491055d4140f16617ed543f7f5bd8f6/ui-ngx/src/app/shared/models/widget.models.ts#L121)) used to define user actions. See <span trigger-style="fontSize: 16px;" trigger-text="<b>Action sources object</b>" tb-help-popup="widget/editor/widget_js_action_sources_object"></span> |
+| ~~getSettingsSchema()~~           | **Deprecated**. Use getSettingsForm() function.                                                                                                                                                                                                                                                                                                                                                                                       |
+| ~~getDataKeySettingsSchema()~~    | **Deprecated**. Use getDataKeySettingsForm() function.                                                                                                                                                                                                                                                                                                                                                                                |
 
 <div class="divider"></div>
 
diff --git a/ui-ngx/src/assets/help/en_US/widget/editor/widget_js_subscription_object.md b/ui-ngx/src/assets/help/en_US/widget/editor/widget_js_subscription_object.md
index edef68210d..dbf4d991f8 100644
--- a/ui-ngx/src/assets/help/en_US/widget/editor/widget_js_subscription_object.md
+++ b/ui-ngx/src/assets/help/en_US/widget/editor/widget_js_subscription_object.md
@@ -26,7 +26,7 @@ For [Latest values{:target="_blank"}](${siteBaseUrl}/docs${docPlatformPrefix}/us
                     label: 'Sin', // label of the dataKey. Used as display value (for ex. in the widget legend section) 
                     color: '#ffffff', // color of the key. Can be used by widget to set color of the key data (for ex. lines in line chart or segments in the pie chart).  
                     funcBody: "", // only applicable for datasource with type "function" and "function" key type. Defines body of the function to generate simulated data.
-                    settings: {} // dataKey specific settings with structure according to the defined Data key settings json schema. See "Settings schema section".
+                    settings: {} // dataKey specific settings with structure according to the defined Data key settings form.
                },
                //...
            ]
@@ -72,7 +72,7 @@ For [Alarm widget{:target="_blank"}](${siteBaseUrl}/docs${docPlatformPrefix}/use
                  type: 'alarm', // type of the dataKey. Only "alarm" in this case. 
                  label: 'Severity', // label of the dataKey. Used as display value (for ex. as a column title in the Alarms table) 
                  color: '#ffffff', // color of the key. Can be used by widget to set color of the key data.  
-                 settings: {} // dataKey specific settings with structure according to the defined Data key settings json schema. See "Settings schema section".
+                 settings: {} // dataKey specific settings with structure according to the defined Data key settings form.
             },
             //...
           ] 
diff --git a/ui-ngx/src/assets/locale/locale.constant-en_US.json b/ui-ngx/src/assets/locale/locale.constant-en_US.json
index 875613fb6a..6c4614abbb 100644
--- a/ui-ngx/src/assets/locale/locale.constant-en_US.json
+++ b/ui-ngx/src/assets/locale/locale.constant-en_US.json
@@ -1699,7 +1699,8 @@
         "clear-form-prompt": "Are you sure you want to remove all form properties?",
         "import-form": "Import form from JSON",
         "export-form": "Export form to JSON",
-        "form-json-file": "Form JSON file",
+        "json-file": "JSON file",
+        "json-content": "JSON content",
         "invalid-form-json-file-error": "Unable to import form from JSON: Invalid form JSON data structure."
     },
     "asset-profile": {