This action will be helpful to add new payment related message options in ARMember->global_settings->common_messages under payment related message section.
Hook Name: arm_payment_related_common_message
Hook Type: Action
Usage:
add_action( 'arm_payment_related_common_message', 'your_function');
function your_function($common_messages) {
//Do Your Action.
}
Parameters:
$common_messages
Array of common messages