You can't change the template per se but as it is just a Google Doc you can add additional elements to it if you want. With Google Calendar it's possible to create a template and share it directly with users.The documents below will help you create structure for your PTA. With our free Google Doc templates, you can quickly and easily create a meeting agenda. We have a variety of styles of templates to choose from. Google Calendar Meeting Form is a clean and easy-to-use template that allows you to easily organize online meetings with your business partners or team members. Open a new or existing Google Doc on your computer. 2. Lesson: How to Write Agendas and Meeting Minutes. Timeframe: 60 minutes.