Once logged into ASEBA-Web, (Administrators Only) click on Administration tab. Then choose Configure Informant Messages 
Choose the language, or choose My Template, or choose New:
Once the template is chosen, click on the Edit tab:
Once in Edit mode, rename the template and edit the body of the form but DO NOT EDIT anything with an # next to it. Then Save the template. In the example below, the name of the template was changed to Test Template (which will appear in the template list).
The template will appear in the template list when sending a message to an informant.
