1. Log in to Tenjin.
2. Go to the 'Apps' section in the top menu.
3. Add your app or edit an already existing app.
4. Add a new callback.
5. Select devtodev.
6. Open the application that you are configuring in devtodev. Open 'Settings -> 3rd party sources -> Attribution trackers', turn on the toggle switch on Tenjin panel and copy devtodev API Key from the panel.
7. Enter API Key in new callback form.
8. Save callback.