To integrate Inbody with Fit Pro Tracker you need to request your Api Key from Inbody account and then add it to the Integration, to do so you can:
Go to your Location Menu
Click on the Integration Menu
It will pop up a list of integrations you are able to include in your system
Click on Manage in the InBody Section to set up the integration
To get your API and location account you will find in your Inbody account, you might need to ask them for the info if you can not find it.
Here you have an example of the Integration:
Once you complete the Integration, you'll be able to View or Sync your contact info with Inbody on the contact profile, here you have an example: