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

@param creationDate
       The creation date and time of the accessor.
aws-java-sdk-managedblockchain/src/main/java/com/amazonaws/services/managedblockchain/model/Accessor.java