Post Metas

$post_meta_fields = array(
	array(
		'id'          => 'service_github',
		'title'       => 'Service GitHub URL',
		'post_type'   => 'service',
		'context'     => 'normal',
		'priority'    => 'high',
		'field_type'  => 'url',
		'field_props' => '',
	),
	array(
		'id'          => 'service_packagist',
		'title'       => 'Service Packagist URL',
		'post_type'   => 'service',
		'context'     => 'normal',
		'priority'    => 'high',
		'field_type'  => 'url',
		'field_props' => '',
	),
);

parent::set_post_meta_fields( $post_meta_fields );