What is required in a template for adding a layout template to liferay-look-and-feel.xml?

When adding a layout template to the liferay-look-and-feel.xml file, the essential requirement is a path to the template file. This path specifies where Liferay can locate the template file needed for rendering the layout correctly. By providing this path, Liferay can integrate the layout template into its system, allowing it to be used for page design and structure.

The other options, while potentially useful in the broader context of layout templates, do not fulfill the specific requirement for inclusion in the liferay-look-and-feel.xml. For instance, merely stating a template name does not provide Liferay the necessary details for locating and using the template. Documentation of layout structure and multiple customization options can enhance the usability and functionality of the template but are not prerequisites for the actual linking of the template within the liferay-look-and-feel.xml configuration file. Thus, the specified path is the critical element that enables the layout template's functionality within the Liferay environment.