acf/upgrade_500 │ action-hook │ ACF 1.0

Usage

add_action( 'acf/upgrade_500', 'wp_kama_acf_upgrade_500_action' );

/**
 * Function for `acf/upgrade_500` action-hook.
 * 
 * @return void
 */
function wp_kama_acf_upgrade_500_action(){
	// action...
}

Where the hook is called

do_action( 'acf/upgrade_500' );

Where the hook is used in Advanced Custom Fields PRO