function get_jet_meta_fields($field_name,$slug,$field_num){
	add_filter('elementor_pro/forms/field_types', function ($types) use ($field_name) {
	    $types[$field_name] = ucfirst($field_name);
	    return $types;		
	});
	add_filter('elementor_pro/forms/render/item/'.$field_name, function ($item, $item_index, $instance) use ($slug,$field_num) {
	    ob_start();
	    global $wpdb;
	    // this adds the prefix which is set by the user upon instillation of wordpress
	    $table_name = $wpdb->prefix . "jet_post_types";
	    // this will get the data from your table
	    // id,slug,status,labels,args,meta_fields
	    $retrieve_data = $wpdb->get_results( "SELECT slug,args,meta_fields FROM $table_name" );
		$all_mata_fields = unserialize($retrieve_data[$slug]->meta_fields);
		$select_options = $all_mata_fields[$field_num]["options"];
	    $field_options = [];
	    foreach ($select_options as $key => $val) {
	    $field_options[] = $select_options[$key]['value']. "|".$select_options[$key]['key'];
	    }
	    $item['field_options'] = implode("\n", $field_options);
	    $item['field_type'] = "select";
	    ob_get_clean();
	    return $item;
	},99,3);
}

get_jet_meta_fields('locations',1,5);
get_jet_meta_fields('vacancy',1,6);