Go to Calendly.com to obtain your Calendly link.
Copy your the text after calendly.com/
Go into the editor of your PreciseFP template that you wish to add Calendly to. (Templates > My Templates > Click on your template > Click on the Customize button
Locate any empty cell. It will have a + icon if it's empty. Please view this tutorial on how to add new fields in a template.
Click in the empty cell then click on the + icon.
Click on New Element
Choose Calendly from the Graphical elements
Paste in the text from Calendly and then click on Create.