Only available in Google Ad Manager 360
Audience Solutions is a Google Ad Manager 360 feature which might not be enabled for your network.
You can use audience pixels in apps to build first-party segments. However, you need to pass additional parameters to pull in the mobile advertising IDs (AdID or IDFA):
dc_rdidto pass raw IDFA or AdID.
dc_latto pass Limit Ad Tracking signals that a user configured on a device.
1indicates that the user opts out of audience targeting but opts in to frequency capping.
0indicates that the user opts in to all tracking.
Here’s the sample tag to use for a mobile advertising ID: