WP Cron Job

// Scheduled Action Hook
function gmg_sr_check_projects( ) {
}

// Schedule Cron Job Event
function gmg_contact_121_cron_activation() {
	if ( ! wp_next_scheduled( 'gmg_sr_check_projects' ) ) {
		wp_schedule_event( current_time( 'timestamp' ), 'hourly', 'gmg_sr_check_projects' );
	}
}
add_action( 'wp', 'gmg_contact_121_cron_activation' );