bp_core_admin_register_registration_page_fields()

function bp_core_admin_register_registration_page_fields() {

	add_settings_section( 'bp_registration_pages', __( 'Registration Pages', 'buddyboss' ), 'bp_core_admin_registration_pages_description', 'bp-pages' );

	$existing_pages = bp_core_get_directory_page_ids();
	$static_pages = bp_core_admin_get_static_pages();
	$description = '';

	foreach ($static_pages as $name => $label) {
	    $title = $label;
		if ( 'register' === $name ) {
			$description = 'New users fill out this form to register their accounts.';
		} elseif ( 'terms' === $name ) {
			$description = 'If a page is added, its contents will display in a popup on the register form.';
		} elseif ( 'privacy' === $name ) {
			$description = 'If a page is added, its contents will display in a popup on the register form.';
		} elseif ( 'activate' === $name ) {
			$description = 'After registering, users are sent to this page to activate their accounts.';
		}

		if ( 'button' === $name ) {
			$title = '';
        }

		add_settings_field( $name, $title, 'bp_admin_setting_callback_page_directory_dropdown', 'bp-pages', 'bp_registration_pages', compact('existing_pages', 'name', 'label', 'description' ) );
		register_setting( 'bp-pages', $name, [] );
	}
}