Initiates the asynchronous execution of the PutMetricData operation.
            
 Declaration Syntax
 Declaration Syntax| C# | 
public IAsyncResult BeginPutMetricData( PutMetricDataRequest putMetricDataRequest, AsyncCallback callback, Object state )
 Parameters
 Parameters- putMetricDataRequest (PutMetricDataRequest)
- Container for the necessary parameters to execute the PutMetricData operation on AmazonCloudWatch.
- callback (AsyncCallback)
- An AsyncCallback delegate that is invoked when the operation completes.
- state (Object)
- A user-defined state object that is passed to the callback procedure. Retrieve this object from within the callback procedure using the AsyncState property.