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Guidelines for Sending Multiple Identities in a Booking ETL File
If you use the multiple identities system, you must include at least one identity attribute in the Booking ETL file. You can send multiple identity attributes for a single bookingID by adding multiple identity attribute columns in the file.
Guidelines
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To send in multiple identity attributes for a single bookingID, add multiple identity attribute columns in the file using the header format attribute:value.
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If you use the multiple identities system, Personalization doesn’t reference the userID attribute in ETL processing.
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If you don’t use the multiple identities system, you can send the userID attribute for profile merging.
Examples
Examples of out-of-the box identity attributes with proper header formatting include:
- attribute:emailAddress
- attribute:sfmcContactKey
- attribute:customerId
- attribute:sfcrmContactId
- attribute:sfcrmLeadId

