Do event properties have character limits?

Yes, any given event property has a maximum character length of 255 characters and a total size limit of 1MB.

When a URL is 255+ characters long and contains attribution parameters, Freshpaint's code automatically extracts and appends the following attribution parameters to the final payload sent to destinations:

UTM Parameters (Always extracted):

• utm_source

• utm_medium

• utm_campaign

• utm_content

• utm_term

Click ID Parameters (Destination-specific):

• $gclid - Google Click ID (Google Ads, Floodlight, Google AdWords)

• $gclid_creation_time - GCLID timestamp

• $fbclid - Facebook Click ID (Facebook destinations)

• $fbclid_creation_time - Facebook Click ID timestamp

• $msclkid - Microsoft Click ID (Bing Ads)

• $ttclid - TikTok Click ID (TikTok Ads)

• $dclid - DoubleClick ID (Floodlight)

• $auiddc - Audience ID (Google CM360)

• $gbraid - Google BRAID (Google destinations)

• $sapid - StackAdapt ID (StackAdapt)

• $ttdimp - TheTradeDesk Impression ID (TheTradeDesk)

• $cntr_auctionId - Basis Click ID (Basis)

• $edimpid - Google CM360 Impression ID (CM360)