How to configure custom attribute as Subject Name Identifier for application, other than default user attribute maintained in IAS user information, such as User ID, E-mail, Login Name and so on.
For example: If a certain application needs e-mail from a uniform suffix (eg: email@example.com), but the users' e-mail maintained in IAS are with different suffixes. (eg: firstname.lastname@example.org, email@example.com)
The custom attribute can be used for this scenario.
SAP Cloud Platform Identity Authentication Service
Subject Name Identifier, Advanced Configuration, IAS, Custom Attribute, userUuid, UUID, displayName, loginName, mail , KBA , BC-IAM-IDS , Identity Authentication Service , How To
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