public function add_block_category( $categories ) {

		$categories[] = array(
			'slug'  => 'llms-blocks',
			'title' => __( 'LifterLMS Blocks', 'lifterlms' ),
		);

		array_unshift(
			$categories,
			array(
				'slug'  => 'llms-custom-fields',
				'title' => __( 'Custom User Information', 'lifterlms' ),
			)
		);

		array_unshift(
			$categories,
			array(
				'slug'  => 'llms-user-info-fields',
				'title' => __( 'User Information', 'lifterlms' ),
			)
		);

		return $categories;
	}