arm_after_setup_gateway_section

add_filter( 'arm_after_setup_gateway_section', 'your_function', 10, 3);
function your_function($module_content, $setupID, $setup_data) {
    //$module_content Membership Setup Shortcode Module Content.
    //$setupID Setup ID.
    //$setup_data Membership Setup Details.
    return $module_content;
}