diff --git a/ui-ngx/src/app/modules/home/components/widget/lib/maps/data-layer/map-data-layer.ts b/ui-ngx/src/app/modules/home/components/widget/lib/maps/data-layer/map-data-layer.ts
index 5dcb80ec41..4380f36186 100644
--- a/ui-ngx/src/app/modules/home/components/widget/lib/maps/data-layer/map-data-layer.ts
+++ b/ui-ngx/src/app/modules/home/components/widget/lib/maps/data-layer/map-data-layer.ts
@@ -57,7 +57,7 @@ export class DataLayerPatternProcessor {
 
   public setup(): Observable<void> {
     if (this.settings.type === DataLayerPatternType.function) {
-      return parseTbFunction<MapStringFunction>(this.dataLayer.getCtx().http, this.settings.patternFunction, ['data', 'dsData']).pipe(
+      return parseTbFunction<MapStringFunction>(this.dataLayer.getCtx().http, this.settings.patternFunction, ['data', 'dsData', 'ctx']).pipe(
         map((parsed) => {
           this.patternFunction = parsed;
           return null;
@@ -72,7 +72,7 @@ export class DataLayerPatternProcessor {
   public processPattern(data: FormattedData<TbMapDatasource>, dsData: FormattedData<TbMapDatasource>[]): string {
     let pattern: string;
     if (this.settings.type === DataLayerPatternType.function) {
-      pattern = safeExecuteTbFunction(this.patternFunction, [data, dsData]);
+      pattern = safeExecuteTbFunction(this.patternFunction, [data, dsData, this.dataLayer.getCtx()]);
     } else {
       pattern = this.pattern;
     }
diff --git a/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/map/data-layer-pattern-settings.component.html b/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/map/data-layer-pattern-settings.component.html
index 451d3f7282..be569813dc 100644
--- a/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/map/data-layer-pattern-settings.component.html
+++ b/ui-ngx/src/app/modules/home/components/widget/lib/settings/common/map/data-layer-pattern-settings.component.html
@@ -44,7 +44,7 @@
                     required
                     withModules
                     [globalVariables]="functionScopeVariables"
-                    [functionArgs]="['data', 'dsData']"
+                    [functionArgs]="['data', 'dsData', 'ctx']"
                     functionTitle="{{ (patternType === 'label' ? 'widgets.maps.data-layer.label-function' : 'widgets.maps.data-layer.tooltip-function') | translate }}"
                     [helpId]="helpId"
                     [helpPopupStyle]="{width: '900px'}">
diff --git a/ui-ngx/src/assets/help/en_US/widget/lib/map/label_fn.md b/ui-ngx/src/assets/help/en_US/widget/lib/map/label_fn.md
index 0028d77b82..7d85ffed26 100644
--- a/ui-ngx/src/assets/help/en_US/widget/lib/map/label_fn.md
+++ b/ui-ngx/src/assets/help/en_US/widget/lib/map/label_fn.md
@@ -3,7 +3,7 @@
 <div class="divider"></div>
 <br/>
 
-*function (data, dsData): string*
+*function (data, dsData, ctx): string*
 
 A JavaScript function used to compute text or HTML code of the marker label.
 
diff --git a/ui-ngx/src/assets/help/en_US/widget/lib/map/map_fn_args.md b/ui-ngx/src/assets/help/en_US/widget/lib/map/map_fn_args.md
index a627e1867f..3df8c8324a 100644
--- a/ui-ngx/src/assets/help/en_US/widget/lib/map/map_fn_args.md
+++ b/ui-ngx/src/assets/help/en_US/widget/lib/map/map_fn_args.md
@@ -5,4 +5,6 @@
      resolved from configured datasources. Each object represents basic entity properties (ex. <code>entityId</code>, <code>entityName</code>)<br/>
      and provides access to other entity attributes/timeseries declared in datasources of data layers configuration including additional datasources of the map configuration.
   </li>
-  
+  <li><b>ctx:</b> <code><a href="https://github.com/thingsboard/thingsboard/blob/5bb6403407aa4898084832d6698aa9ea6d484889/ui-ngx/src/app/modules/home/models/widget-component.models.ts#L107" target="_blank">WidgetContext</a></code> - A reference to <a href="https://github.com/thingsboard/thingsboard/blob/5bb6403407aa4898084832d6698aa9ea6d484889/ui-ngx/src/app/modules/home/models/widget-component.models.ts#L107" target="_blank">WidgetContext</a> that has all necessary API 
+     and data used by widget instance.
+  </li>