onConstantDelete

Last updated 23/07/2026

Definition

is a host callback invoked by

when a constant has been deleted within the widget and the host application must remove the corresponding constant from its persistent storage.

Once processing is complete, please refer to the

onResponse

contract in the Widget Callback Introduction.

This callback ensures the widget and the host application remain synchronized regarding the constant's deletion state.

Function Signature
onConstantDelete: (
    constant: DIQ_Constant,
    onResponse: (result: DIQ_Result) => void
) => void;

constant
Type: DIQ_Constant
Description: The

object that has been deleted from the widget.

onResponse
Type: (result: DIQ_Result) => void
Description: Callback function that must be called by the host to complete the operation.