Merge pull request #14469 from abpframework/Issue-12356

add to Angular extensible table document.

docs/en/UI/Angular/Extensions-Overall.md

@@ -8,3 +8,27 @@ See the documents below for the details:
 * [Data Table Column (or Entity Prop) Extensions](Data-Table-Column-Extensions.md)
 * [Page Toolbar Extension](Page-Toolbar-Extensions.md)
 * [Dynamic Form (or Form Prop) Extensions](Dynamic-Form-Extensions.md)
+
+##  Extensible Table Component
+
+Using [ngx-datatable](https://github.com/swimlane/ngx-datatable) in extensinble table.
+
+````ts
+      <abp-extensible-table
+         actionsText="Your Action"
+         [data]="items"
+         [recordsTotal]="totalCount"
+         [actionsColumnWidth]="38"
+         [actionsTemplate]="customAction"
+         [list]="list"
+         (tableActivate)="onTableSelect($event)" > 
+      </abp-extensible-table>
+````
+
+ * `       actionsText : ` ** Column name of action column. **Type** : string
+ * `              data : ` Items shows in your table. **Type** : Array<any>
+ * `              list : ` Instance of ListService. **Type** : ListService
+ * `actionsColumnWidth : ` Width of your action column. **Type** : number
+ * `   actionsTemplate : ` Template of the action when "click this button" or whatever. Generally ng-template. **Type** : TemplateRef<any>
+ * `      recordsTotal : ` Count of the record total. **Type** : number
+ * `    tableActivate  : ` The Output(). A cell or row was focused via the keyboard or a mouse click. **Type** : EventEmitter()