Function: MnOnLookupTagClick

▸ MnOnLookupTagClick(controlName): (target: any, key: any, descriptor: PropertyDescriptor) => void

Decorator that marks a method as an event handler for lookup tag click event. This event is fired when a lookup tag is clicked.

Remarks

Available on pages: Record only.

Registration: Automatic registration at runtime.

For more information, see Microsoft Client API Reference

Example

Prevent save if the tag name of the primary contact starts with A

@MnComponent({
   scope: {
      pageType: "record",
      table: "account"
   }
})
export class PreventSaveOfContactStartingWithAComponent {
  @MnOnLookupTagClick("primarycontactid")
  onLookupTagClick(eventArg: FormEventArg) {
     const args = eventArg.eventCtx.getEventArgs();
     // Prevent save if the tag name starts with A
     if (args.getTagValue()?.name?.startWith("A") {
        args.preventDefault();
     }
  }
}

Parameters

Name	Type	Description
controlName	ValueOrConfigPropertyMapper<string>	Name of the lookup control or callback function that returns the name of the lookup control from the component configuration.

Returns

fn

▸ (target, key, descriptor): void

Parameters

Name	Type
target	any
key	any
descriptor	PropertyDescriptor

Returns

void

Defined in

packages/core/src/core/metadata/events.ts:455