WP_Block_Pattern_Categories_Registry::register() WordPress Method

	public function register( $category_name, $category_properties ) {
		if ( ! isset( $category_name ) || ! is_string( $category_name ) ) {
			_doing_it_wrong(
				__METHOD__,
				__( 'Block pattern category name must be a string.' ),
				'5.5.0'
			);
			return false;
		}

		$category = array_merge(
			array( 'name' => $category_name ),
			$category_properties
		);

		$this->registered_categories[ $category_name ] = $category;

		// If the category is registered inside an action other than `init`, store it
		// also to a dedicated array. Used to detect deprecated registrations inside
		// `admin_init` or `current_screen`.
		if ( current_action() && 'init' !== current_action() ) {
			$this->registered_categories_outside_init[ $category_name ] = $category;
		}

		return true;
	}