public void setUpdatedAt(java.util.Date updatedAt) {
        this.updatedAt = updatedAt;
    }
<p>
The timestamp of when the ID namespace was last updated.
</p>

@param updatedAt
       The timestamp of when the ID namespace was last updated.
aws-java-sdk-entityresolution/src/main/java/com/amazonaws/services/entityresolution/model/GetIdNamespaceResult.java