By default, a Parameters table and Postback URL field are already filled for predefined offer sources. You can change it or add additional parameters to the postback link.
Set a Parameters Section
1. Create or edit a traffic channel
1. Create a traffic channel
2. Edit a a traffic channel
At the top left side of the settings window:
1. Go to the Traffic channels tab.
2. Select a traffic channel from the list.
3. Click Edit.
2. Add external_id parameter
At the Parameters table, add to an External ID - Placeholder field a traffic channel macro responsible for receiving data about traffic channel clickid.
3. Add cost parameter
If you want to set Auto cost:
At the Parameters table, add to an Cost - Placeholder field a traffic channel macro responsible for receiving data about cost.
4. Add more parameters
If necessary, set the additional tracking parameters:
1. Set any name for your custom parameter.
2. Add available traffic channel macro.
3. Enable token tracking.