NextGen - How do I add authorization form?

NextGen - How do I add authorization form?

1) Please click on the preferences icon as shown below. Navigate to templates and attachments and then default templates. 
A > Click on Preferences.
B > Click on Template and attachments.
C > Default templates.



2) Click on authorization forms and click on the add symbol. 


3) Once clicked on Add symbol >> Update the title and you can create a form by updating the template or picture and save it.