Standard Fields in Catalogue
Standard Fields in Catalogue
Standard, custom and reserved catalogue fields, and where the standard and reserved lists live.
Standard fields are created for you when your account is created: they cover Zeotap’s universal identifiers, cookies and the user information Zeotap tracks natively, and which of them you see depends on the sources activated in your account. Custom fields are the ones you add yourself, whenever a standard field does not exist for a data point you want to bring in — see Add a Catalogue Field. Some fields already in your catalogue are additionally reserved for system use, so a field with the same name cannot be recreated for any other purpose.
The two pages below list the standard and the reserved fields.
Last modified on August 27, 2026
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