How do I set Gmail as a trigger to accurately categorize leads in Boomtown using Zapier?

I need help adding gmail as a trigger to put a lead in automatically into boomtown. The problem is that when going through boomtown, it won’t let me add just a first name, last name, emaiil address, or phone number. It only allows me to add the body of the email without seperating the lead up into the right categories for Boomtown. Attached are some screenshots