public function wp_getPostType( $args ) {
		if ( ! $this->minimum_args( $args, 4 ) ) {
			return $this->error;
		}

		$this->escape( $args );

		$username       = $args[1];
		$password       = $args[2];
		$post_type_name = $args[3];

		if ( isset( $args[4] ) ) {
			$fields = $args[4];
		} else {
			/**
			 * Filters the default query fields used by the given XML-RPC method.
			 *
			 * @since 3.4.0
			 *
			 * @param array  $fields An array of post type query fields for the given method.
			 * @param string $method The method name.
			 */
			$fields = apply_filters( 'xmlrpc_default_posttype_fields', array( 'labels', 'cap', 'taxonomies' ), 'wp.getPostType' );
		}

		$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getPostType' );

		if ( ! post_type_exists( $post_type_name ) ) {
			return new IXR_Error( 403, __( 'Invalid post type.' ) );
		}

		$post_type = get_post_type_object( $post_type_name );

		if ( ! current_user_can( $post_type->cap->edit_posts ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit posts in this post type.' ) );
		}

		return $this->_prepare_post_type( $post_type, $fields );
	}