CustomerMatchUploadKeyType

Enum describing possible customer match upload key types.

Enums
`CONTACT_INFO`	Members are matched from customer info such as email address, phone number or physical address.
`CRM_ID`	Members are matched from a user id generated and assigned by the advertiser.
`MOBILE_ADVERTISING_ID`	Members are matched from mobile advertising ids.
`UNKNOWN`	Used for return value only. Represents value unknown in this version.
`UNSPECIFIED`	Not specified.

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Last updated 2025-12-12 UTC.

`CONTACT_INFO`