This is currently a two-step process:

1. In reporting window, click on the button shown in the image below, enter the desired template name and click “OK”. 

The template name will be added to the list of templates as shown in the image below.

2. Select the newly added template name from templates list(1) and click on the button shown below(2) to open text entry field. Enter the content and click “Apply”(3). Note that reporter’s name is automatically appended from user account details and should not be part of your template content.