public void setCreationDate(java.util.Date creationDate) {
        this.creationDate = creationDate;
    }
<p>
The creation date of the workgroup.
</p>

@param creationDate
       The creation date of the workgroup.
aws-java-sdk-redshiftserverless/src/main/java/com/amazonaws/services/redshiftserverless/model/Workgroup.java