diff --git a/ui-ngx/src/app/core/services/dashboard-utils.service.ts b/ui-ngx/src/app/core/services/dashboard-utils.service.ts
index dca6dd45eb..1511840c57 100644
--- a/ui-ngx/src/app/core/services/dashboard-utils.service.ts
+++ b/ui-ngx/src/app/core/services/dashboard-utils.service.ts
@@ -31,7 +31,8 @@ import {
   DashboardLayoutsInfo,
   DashboardState,
   DashboardStateLayouts,
-  GridSettings, LayoutType,
+  GridSettings,
+  LayoutType,
   WidgetLayout
 } from '@shared/models/dashboard.models';
 import { deepClone, isDefined, isDefinedAndNotNull, isNotEmptyStr, isString, isUndefined } from '@core/utils';
@@ -61,6 +62,7 @@ import { MediaBreakpoints } from '@shared/models/constants';
 import { TranslateService } from '@ngx-translate/core';
 import { DashboardPageLayout } from '@home/components/dashboard-page/dashboard-page.models';
 import { maxGridsterCol, maxGridsterRow } from '@home/models/dashboard-component.models';
+import { findWidgetModelDefinition } from '@shared/models/widget/widget-model.definition';
 
 @Injectable({
   providedIn: 'root'
@@ -398,6 +400,14 @@ export class DashboardUtilsService {
     return datasources;
   }
 
+  public getWidgetDatasources(widget: Widget): Datasource[] {
+    const widgetDefinition = findWidgetModelDefinition(widget);
+    if (widgetDefinition) {
+      return widgetDefinition.datasources(widget);
+    }
+    return this.validateAndUpdateDatasources(widget.config.datasources);
+  }
+
   public createDefaultLayoutData(): DashboardLayout {
     return {
       widgets: {},
diff --git a/ui-ngx/src/app/core/services/item-buffer.service.ts b/ui-ngx/src/app/core/services/item-buffer.service.ts
index cef9bbe7a3..d525bee677 100644
--- a/ui-ngx/src/app/core/services/item-buffer.service.ts
+++ b/ui-ngx/src/app/core/services/item-buffer.service.ts
@@ -35,7 +35,7 @@ import { FcRuleNode, ruleNodeTypeDescriptors } from '@shared/models/rule-node.mo
 import { RuleChainService } from '@core/http/rule-chain.service';
 import { RuleChainImport } from '@shared/models/rule-chain.models';
 import { Filter, FilterInfo, Filters, FiltersInfo, getFilterId } from '@shared/models/query/query.models';
-import { getWidgetExportDefinition } from '@shared/models/widget/widget-export.models';
+import { findWidgetModelDefinition } from '@shared/models/widget/widget-model.definition';
 
 const WIDGET_ITEM = 'widget_item';
 const WIDGET_REFERENCE = 'widget_reference';
@@ -142,7 +142,7 @@ export class ItemBufferService {
       }
     }
     let widgetExportInfo: any;
-    const exportDefinition = getWidgetExportDefinition(widget);
+    const exportDefinition = findWidgetModelDefinition(widget);
     if (exportDefinition) {
       widgetExportInfo = exportDefinition.prepareExportInfo(dashboard, widget);
     }
@@ -270,7 +270,7 @@ export class ItemBufferService {
     let callFilterUpdateFunction = false;
     let newEntityAliases: EntityAliases;
     let newFilters: Filters;
-    const exportDefinition = getWidgetExportDefinition(widget);
+    const exportDefinition = findWidgetModelDefinition(widget);
     if (exportDefinition && widgetExportInfo || aliasesInfo) {
       newEntityAliases = deepClone(dashboard.configuration.entityAliases);
     }
diff --git a/ui-ngx/src/app/modules/home/components/alias/entity-aliases-dialog.component.ts b/ui-ngx/src/app/modules/home/components/alias/entity-aliases-dialog.component.ts
index 235a41876d..f7bb87455a 100644
--- a/ui-ngx/src/app/modules/home/components/alias/entity-aliases-dialog.component.ts
+++ b/ui-ngx/src/app/modules/home/components/alias/entity-aliases-dialog.component.ts
@@ -14,7 +14,7 @@
 /// limitations under the License.
 ///
 
-import { Component, DestroyRef, Inject, OnInit, SkipSelf } from '@angular/core';
+import { Component, DestroyRef, Inject, SkipSelf } from '@angular/core';
 import { ErrorStateMatcher } from '@angular/material/core';
 import { MAT_DIALOG_DATA, MatDialog, MatDialogRef } from '@angular/material/dialog';
 import { Store } from '@ngrx/store';
@@ -60,7 +60,7 @@ export interface EntityAliasesDialogData {
   styleUrls: ['./entity-aliases-dialog.component.scss']
 })
 export class EntityAliasesDialogComponent extends DialogComponent<EntityAliasesDialogComponent, EntityAliases>
-  implements OnInit, ErrorStateMatcher {
+  implements ErrorStateMatcher {
 
   title: string;
   disableAdd: boolean;
@@ -107,8 +107,7 @@ export class EntityAliasesDialogComponent extends DialogComponent<EntityAliasesD
               this.addWidgetTitleToWidgetsMap(widget.config.alarmSource.entityAliasId, widget.config.title);
             }
           } else {
-            const datasources = this.dashboardUtils.validateAndUpdateDatasources(widget.config.datasources);
-            datasources.forEach((datasource) => {
+            this.dashboardUtils.getWidgetDatasources(widget).forEach((datasource) => {
               if ([DatasourceType.entity, DatasourceType.entityCount, DatasourceType.alarmCount].includes(datasource.type)
                 && datasource.entityAliasId) {
                 this.addWidgetTitleToWidgetsMap(datasource.entityAliasId, widget.config.title);
@@ -143,7 +142,9 @@ export class EntityAliasesDialogComponent extends DialogComponent<EntityAliasesD
       widgetsTitleList = [];
       this.aliasToWidgetsMap[aliasId] = widgetsTitleList;
     }
-    widgetsTitleList.push(widgetTitle);
+    if (!widgetsTitleList.includes(widgetTitle)) {
+      widgetsTitleList.push(widgetTitle);
+    }
   }
 
   private createEntityAliasFormControl(aliasId: string, entityAlias: EntityAlias): AbstractControl {
@@ -166,9 +167,6 @@ export class EntityAliasesDialogComponent extends DialogComponent<EntityAliasesD
     return this.entityAliasesFormGroup.get('entityAliases') as UntypedFormArray;
   }
 
-  ngOnInit(): void {
-  }
-
   isErrorState(control: UntypedFormControl | null, form: FormGroupDirective | NgForm | null): boolean {
     const originalErrorState = this.errorStateMatcher.isErrorState(control, form);
     const customErrorState = !!(control && control.invalid && this.submitted);
diff --git a/ui-ngx/src/app/modules/home/components/filter/filters-dialog.component.ts b/ui-ngx/src/app/modules/home/components/filter/filters-dialog.component.ts
index 60e066fabe..048b91d25e 100644
--- a/ui-ngx/src/app/modules/home/components/filter/filters-dialog.component.ts
+++ b/ui-ngx/src/app/modules/home/components/filter/filters-dialog.component.ts
@@ -14,19 +14,19 @@
 /// limitations under the License.
 ///
 
-import { Component, Inject, OnInit, SkipSelf } from '@angular/core';
+import { Component, Inject, SkipSelf } from '@angular/core';
 import { ErrorStateMatcher } from '@angular/material/core';
 import { MAT_DIALOG_DATA, MatDialog, MatDialogRef } from '@angular/material/dialog';
 import { Store } from '@ngrx/store';
 import { AppState } from '@core/core.state';
 import {
   AbstractControl,
+  FormGroupDirective,
+  NgForm,
   UntypedFormArray,
   UntypedFormBuilder,
   UntypedFormControl,
   UntypedFormGroup,
-  FormGroupDirective,
-  NgForm,
   Validators
 } from '@angular/forms';
 import { Router } from '@angular/router';
@@ -58,7 +58,7 @@ export interface FiltersDialogData {
   styleUrls: ['./filters-dialog.component.scss']
 })
 export class FiltersDialogComponent extends DialogComponent<FiltersDialogComponent, Filters>
-  implements OnInit, ErrorStateMatcher {
+  implements ErrorStateMatcher {
 
   title: string;
   disableAdd: boolean;
@@ -96,15 +96,16 @@ export class FiltersDialogComponent extends DialogComponent<FiltersDialogCompone
         }
       } else {
         this.data.widgets.forEach((widget) => {
-          const datasources = this.dashboardUtils.validateAndUpdateDatasources(widget.config.datasources);
-          datasources.forEach((datasource) => {
-            if (datasource.type === DatasourceType.entity && datasource.filterId) {
+          this.dashboardUtils.getWidgetDatasources(widget).forEach((datasource) => {
+            if (datasource.type !== DatasourceType.function && datasource.filterId) {
               widgetsTitleList = this.filterToWidgetsMap[datasource.filterId];
               if (!widgetsTitleList) {
                 widgetsTitleList = [];
                 this.filterToWidgetsMap[datasource.filterId] = widgetsTitleList;
               }
-              widgetsTitleList.push(widget.config.title);
+              if (!widgetsTitleList.includes(widget.config.title)) {
+                widgetsTitleList.push(widget.config.title);
+              }
             }
           });
         });
@@ -140,9 +141,6 @@ export class FiltersDialogComponent extends DialogComponent<FiltersDialogCompone
     return this.filtersFormGroup.get('filters') as UntypedFormArray;
   }
 
-  ngOnInit(): void {
-  }
-
   isErrorState(control: UntypedFormControl | null, form: FormGroupDirective | NgForm | null): boolean {
     const originalErrorState = this.errorStateMatcher.isErrorState(control, form);
     const customErrorState = !!(control && control.invalid && this.submitted);
diff --git a/ui-ngx/src/app/shared/models/widget/maps/map-export.models.ts b/ui-ngx/src/app/shared/models/widget/maps/map-model.definition.ts
similarity index 81%
rename from ui-ngx/src/app/shared/models/widget/maps/map-export.models.ts
rename to ui-ngx/src/app/shared/models/widget/maps/map-model.definition.ts
index 89d5beb963..1dcd6890d8 100644
--- a/ui-ngx/src/app/shared/models/widget/maps/map-export.models.ts
+++ b/ui-ngx/src/app/shared/models/widget/maps/map-model.definition.ts
@@ -17,14 +17,15 @@
 import { EntityAliases, EntityAliasInfo, getEntityAliasId } from '@shared/models/alias.models';
 import { FilterInfo, Filters, getFilterId } from '@shared/models/query/query.models';
 import { Dashboard } from '@shared/models/dashboard.models';
-import { DatasourceType, Widget } from '@shared/models/widget.models';
+import { Datasource, DatasourceType, Widget } from '@shared/models/widget.models';
 import {
   BaseMapSettings,
   MapDataLayerSettings,
   MapDataSourceSettings,
+  mapDataSourceSettingsToDatasource,
   MapType
 } from '@shared/models/widget/maps/map.models';
-import { WidgetExportDefinition } from '@shared/models/widget/widget-export.models';
+import { WidgetModelDefinition } from '@shared/models/widget/widget-model.definition';
 
 interface AliasFilterPair {
   alias?: EntityAliasInfo,
@@ -45,7 +46,7 @@ interface MapDatasourcesInfo {
   additionalDataSources?: ExportDataSourceInfo;
 }
 
-export const MapExportDefinition: WidgetExportDefinition<MapDatasourcesInfo> = {
+export const MapModelDefinition: WidgetModelDefinition<MapDatasourcesInfo> = {
   testWidget(widget: Widget): boolean {
     if (widget?.config?.settings) {
       const settings = widget.config.settings;
@@ -103,6 +104,26 @@ export const MapExportDefinition: WidgetExportDefinition<MapDatasourcesInfo> = {
     if (info?.additionalDataSources) {
       updateMapDatasourceFromExportInfo(entityAliases, filters, settings.additionalDataSources, info.additionalDataSources);
     }
+  },
+  datasources(widget: Widget): Datasource[] {
+    const settings: BaseMapSettings = widget.config.settings as BaseMapSettings;
+    const datasources: Datasource[] = [];
+    if (settings.trips?.length) {
+      datasources.push(...getMapDataLayersDatasources(settings.trips));
+    }
+    if (settings.markers?.length) {
+      datasources.push(...getMapDataLayersDatasources(settings.markers));
+    }
+    if (settings.polygons?.length) {
+      datasources.push(...getMapDataLayersDatasources(settings.polygons));
+    }
+    if (settings.circles?.length) {
+      datasources.push(...getMapDataLayersDatasources(settings.circles));
+    }
+    if (settings.additionalDataSources?.length) {
+      datasources.push(...getMapDataLayersDatasources(settings.additionalDataSources));
+    }
+    return datasources;
   }
 };
 
@@ -189,3 +210,16 @@ const prepareAliasAndFilterPair = (dashboard: Dashboard, settings: MapDataSource
     return null;
   }
 }
+
+const getMapDataLayersDatasources = (settings: MapDataLayerSettings[] | MapDataSourceSettings[]): Datasource[] => {
+  const datasources: Datasource[] = [];
+  settings.forEach((dsSettings) => {
+    datasources.push(mapDataSourceSettingsToDatasource(dsSettings));
+    if ((dsSettings as MapDataLayerSettings).additionalDataSources?.length) {
+      (dsSettings as MapDataLayerSettings).additionalDataSources.forEach((ds) => {
+        datasources.push(mapDataSourceSettingsToDatasource(ds));
+      });
+    }
+  });
+  return datasources;
+};
diff --git a/ui-ngx/src/app/shared/models/widget/widget-export.models.ts b/ui-ngx/src/app/shared/models/widget/widget-model.definition.ts
similarity index 68%
rename from ui-ngx/src/app/shared/models/widget/widget-export.models.ts
rename to ui-ngx/src/app/shared/models/widget/widget-model.definition.ts
index 5b47010285..1b54240c09 100644
--- a/ui-ngx/src/app/shared/models/widget/widget-export.models.ts
+++ b/ui-ngx/src/app/shared/models/widget/widget-model.definition.ts
@@ -14,22 +14,23 @@
 /// limitations under the License.
 ///
 
-import { Widget } from '@shared/models/widget.models';
+import { Datasource, Widget } from '@shared/models/widget.models';
 import { Dashboard } from '@shared/models/dashboard.models';
 import { EntityAliases } from '@shared/models/alias.models';
 import { Filters } from '@shared/models/query/query.models';
-import { MapExportDefinition } from '@shared/models/widget/maps/map-export.models';
+import { MapModelDefinition } from '@shared/models/widget/maps/map-model.definition';
 
-export interface WidgetExportDefinition<T = any> {
+export interface WidgetModelDefinition<T = any> {
   testWidget(widget: Widget): boolean;
   prepareExportInfo(dashboard: Dashboard, widget: Widget): T;
   updateFromExportInfo(widget: Widget, entityAliases: EntityAliases, filters: Filters, info: T): void;
+  datasources(widget: Widget): Datasource[];
 }
 
-const widgetExportDefinitions: WidgetExportDefinition[] = [
-  MapExportDefinition
+const widgetModelRegistry: WidgetModelDefinition[] = [
+  MapModelDefinition
 ];
 
-export const getWidgetExportDefinition = (widget: Widget): WidgetExportDefinition => {
-  return widgetExportDefinitions.find(def => def.testWidget(widget));
+export const findWidgetModelDefinition = (widget: Widget): WidgetModelDefinition => {
+  return widgetModelRegistry.find(def => def.testWidget(widget));
 }