Html Snippets can be used anywhere that the content editor is used. Their most common use is in page content. To enter an Html Snippet edit the required page and navigate to the content section. A sample screen is shown below:
To insert an Html Snippet click the Html Snippet Icon 
and the following dialog box will appear:
Navigate to the snippet that you wish to insert and click on it. You will see the snippet appear in the right hand pane of the window.
Click “Insert Template” to enter this snippet into the page content.
The snippet will then be added and the dialog window will disappear.