public void setDocumentIdentifier(String documentIdentifier) {
        this.documentIdentifier = documentIdentifier;
    }
<p>
Source server post migration custom action document identifier.
</p>

@param documentIdentifier
       Source server post migration custom action document identifier.
aws-java-sdk-mgn/src/main/java/com/amazonaws/services/mgn/model/PutSourceServerActionResult.java