According to the gigya Comments plugin developer documentation..
A template is a layout definition for a group of related graphics elements in the plugin. The plugin includes five customizable templates. You may assign each template with an HTML string that redefines its graphic layout. The 'templates' parameter of the socialize.showCommentsUI method receives an object with the following fields:
Each of the fields is a customizable template. Each field has a default value that you may override. In the following ...
- comment
- commentBox
- loginCanvas_loggedIn
- loginCanvas_loggedIn_guest
- loginCanvas_loggedOut
What are the default values of those templates?
as you can see in this example:
http://wikifiles.gigya.com/Socialize/CommentsUI_Example_Templates.htm
you just build html templates, assign them to a json object and pass them to the gigya comments function as part of the params: