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Per Snapchat's requirements, Adjust (and all other Snapchat Measurement Partners) does not store Snapchat attribution data for longer than 150 days. Therefore, once this limit has been reached, Snapchat-attributions are automatically displayed under a separate Adjust link called Expired Attributions. Expired attributions will be listed at the campaign level (sublevel 1) for the following sources:
Snapchat Installs
Snapchat Audience Network
While Adjust will continue to measure users’ future activity, all events and sessions will display within the Expired Attributions link. Please note that the change applies retrospectively, so all previously measured event and session data will remain with its user, within the Expired Attributions campaign-level link.
Expired attributions are a display modification and not considered reattributions in Adjust.
Snap App IDs are associated with an advertiser’s organization in Snap’s ad platform. The ID is generated in the "Apps" section of your Snap Business Manager account. It's currently behind a allowlist but Snap is working to roll the feature out to all advertisers. Contact your Snap representative for more details on the allowlist.
Why should I pass the Snap App ID in postbacks to Snap?
You can only build custom audiences within Snap’s ad platform using postback events that have Snap App ID(s). This ensures you only build custom audiences from your own mobile event data. The Snap App ID links postback events to impressions for attribution in a more robust way than the App Store and Google Play IDs that were previously used.
Review your setup. Once you've enabled Snapchat in Campaign Lab, Adjust measures all of your Snapchat campaigns automatically.
Installs claimed by Snapchat fall outside of the attribution window. Adjust will only report installs in instances that conversions have occurred within the applicable last click or impression attribution window. Therefore, if Snapchat reports an install driven outside of Adjust's attribution window, the install could be attributed as organic.