public SceneSummary withUpdateDateTime(java.util.Date updateDateTime) {
        setUpdateDateTime(updateDateTime);
        return this;
    }
<p>
The date and time when the scene was last updated.
</p>

@param updateDateTime
       The date and time when the scene was last updated.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-iottwinmaker/src/main/java/com/amazonaws/services/iottwinmaker/model/SceneSummary.java