API Reference > bentleyjs-core > Events > BeEvent > has has Method Determine whether this BeEvent has a specified listener registered. has(listener: T extends Listener, scope?: any): boolean Parameter Type Description listener T extends Listener The listener to check. scope any optional scope argument to match call to addListener Returns - boolean Defined in core/bentley/src/BeEvent.ts Line 118 Last Updated: 13 June, 2024