function my_custom_cptui_shortcode() { cptui_register_shortcode( 'my_custom_shortcode' ); cptui_register_shortcode( 'my_custom_page_shortcode' ); cptui_register_shortcode( 'my_custom_single_post_shortcode' ); } add_action( 'cptuiext_loaded', 'my_custom_cptui_shortcode' );