Is it possible for the ETag to fetch information from a specific field of an Object?

[paulmichael_7]

Is it possible for the ETag to fetch information from a specific field of an Object? This question arises because we need that when there is a modification in an Object, the ETag sends only the information of the modified field and not all the information of the Object. Example: There is a Customer Object where the “Last Name” field is modified. Then the ETag is required to send only the information of the "Last Name" field and not of the entire object.

[AlexGourdet]

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