post https://api-sandbox.cv.gpsrv.com/intserv/4.0/setUserDefinedAccountField
Use the Set User-Defined Account Field endpoint to create or update custom data elements on an account. There is no technical limit on the number of fields that you can add. See User-defined account fields in About Accounts for more information.
fieldId— Provide an identifier for the field. This identifier must be unique only to the account.fieldValue— Provide the value for that field.
These fields are visible in the CST on the account's landing page.
Status codes
See Global Response Statuses for status codes that are common across endpoints.
The table below lists status codes that apply to this specific endpoint.
| Status code | Description |
|---|---|
| 518-01 | user defined field already exists; field updated |