| Name | Type | Description | Notes |
|---|---|---|---|
| fbc | string | Meta click ID (from fbclid URL param). | [optional] |
| fbp | string | Meta browser ID (_fbp cookie). | [optional] |
| gclid | string | Google click ID (from gclid URL param). | [optional] |
| gbraid | string | Google iOS 14.5+ app attribution ID. | [optional] |
| wbraid | string | Google iOS 14.5+ web-to-app attribution ID. | [optional] |
| li_fat_id | string | LinkedIn first-party ad tracking click ID. Captured by parsing `li_fat_id` from landing-page URLs after the advertiser enables enhanced conversion tracking on the LinkedIn Insight Tag. Sent to LinkedIn as the LINKEDIN_FIRST_PARTY_ADS_TRACKING_UUID userId. Opaque token, not hashed. | [optional] |