public void setIdentityAttributeName(String identityAttributeName) {
        this.identityAttributeName = identityAttributeName;
    }
<p>
The IAM Identity Center field name that contains the identifiers of your users, such as their emails. This is
used for <a href="https://docs.aws.amazon.com/kendra/latest/dg/user-context-filter.html">user context
filtering</a> and for granting access to your Amazon Kendra experience. You must set up IAM Identity Center with
Amazon Kendra. You must include your users and groups in your Access Control List when you ingest documents into
your index. For more information, see <a
href="https://docs.aws.amazon.com/kendra/latest/dg/getting-started-aws-sso.html">Getting started with an IAM
Identity Center identity source</a>.
</p>

@param identityAttributeName
       The IAM Identity Center field name that contains the identifiers of your users, such as their emails. This
       is used for <a href="https://docs.aws.amazon.com/kendra/latest/dg/user-context-filter.html">user context
       filtering</a> and for granting access to your Amazon Kendra experience. You must set up IAM Identity
       Center with Amazon Kendra. You must include your users and groups in your Access Control List when you
       ingest documents into your index. For more information, see <a
       href="https://docs.aws.amazon.com/kendra/latest/dg/getting-started-aws-sso.html">Getting started with an
       IAM Identity Center identity source</a>.
aws-java-sdk-kendra/src/main/java/com/amazonaws/services/kendra/model/UserIdentityConfiguration.java