Hi Santhosh,
Use this code
data: lv_msg_service type ref to cl_bsp_wd_message_service.
lv_msg_service = cl_bsp_wd_message_service=>get_instance( ).
lv_msg_service->add_message(
iv_msg_type = 'I'
iv_msg_id = 'CRM_ACTIVITY_I'
iv_msg_number = '093' )
Regards,
Pratheek