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For display (desktop inventory format) [DMP USER ID] or [DSP USER ID] could be any string that doesn't contain ':' character.
For mobile DMP USER ID each user id should have a prefix
Prefix | Meaning | Examples |
|---|---|---|
m_raw | Raw advertiser id | Android |
m_md5 | MD5 hash of IDFA or Android ID. Hashing is done over string representation of UUID! After that hash is encoded to hex string. | m_md5: 86d8638a89ae4a53a57746500f268bcc |
m_sha1 | NOT SUPPORTED | NOT SUPPORTED |
Cookie (user) matching
For matching DSP and DMP user ids DMP should support user matching aligned with RTBSuite DSP API. Depending of which side initiates matching/initiates syncs different workflows is applied. See table below:
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