Function event_far_end_camera_request

event_far_end_camera_request(payload): void
Occurs when far end camera request is received
Parameters
- payload: {
      currentControllingDisplayName?: string;
      currentControllingUserId?: number;
      displayName: string;
      userId: number;
  }
  the event detail
  - Optional currentControllingDisplayName?: string
    The display name for who is controlling the camera.
  - Optional currentControllingUserId?: number
    The user ID for who is controlling the camera.
  - displayName: string
    The display name for who requested control.
  - userId: number
    The user ID for who requested control.
Returns void