To integrate the system with Kochava, add the your network in the list of connected networks. You need to contact a Kochava representative and ask for integration possibility.
Integration documentation - http://support.kochava.com/support/solutions/articles/1000072813-integrate-as-a-network-publisher
In the attachment below you can find an example of how to fill in integration form.
You will need to enter application installation and goal postbacks.
Application installation postback example:
Goal postback example:
See the attachment: