Cookie Sync integrations allow mParticle to to communicate with a partner to link an mParticle ID to the partner ID. The partner ID is then added to the user profile and can be used for Audience integrations.
You can find Cookie Sync integrations in the Directory by selecting Configuration Type: Cookie Sync. Your current Cookie Sync outputs can be viewed at Setup > Outputs on the Cookie Sync Configurations tab.
You can connect your Web input to a Cookie Sync configuration in the Connections screen, just like an Event configuration. No configuration settings are required.
Connecting your Web input to the AppNexus Cookie Sync output allows mParticle to capture the AppNexus User ID for your web users, where available.
mParticle will only perform a sync for a given mParticle ID if a sync has not already been performed in the previous 14 days.
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