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With the upcoming change, these fields will be deprecated. We are planning to remove these deprecated fields (gender & title) by the end of June 2024.
During the deprecation period, both the old and the new data structures ("greeting", see below) will be available in the API, with transparent conversion of the values.
However, you may only use either structure in an Create / Update request (i.e. do not send a "greeting" along with "gender" and "title" fields as these are mutually exclusive and might partially or fully overwrite each other if used in parallel).
New fields available will be:
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