public void setPrincipalTags(java.util.Map<String, String> principalTags) {
        this.principalTags = principalTags;
    }
<p>
You can use this operation to add principal tags. The <code>PrincipalTags</code>operation enables you to
reference user attributes in your IAM permissions policy.
</p>

@param principalTags
       You can use this operation to add principal tags. The <code>PrincipalTags</code>operation enables you to
       reference user attributes in your IAM permissions policy.
aws-java-sdk-cognitoidentity/src/main/java/com/amazonaws/services/cognitoidentity/model/SetPrincipalTagAttributeMapResult.java