public EndpointRequest withRequestId(String requestId) {
        setRequestId(requestId);
        return this;
    }
<p>
The unique identifier for the most recent request to update the endpoint.
</p>

@param requestId
       The unique identifier for the most recent request to update the endpoint.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-pinpoint/src/main/java/com/amazonaws/services/pinpoint/model/EndpointRequest.java