Go to your CloudWatch Console.
Click Metrics.
On Custom Namespaces, select the MonitoringApp namespace.
You should see metrics by two different dimensions: function_name, service and operation, service.

Click the function_name, service dimension and select all metrics available.

Go back to the MonitoringApp namespace.
Click the operation, service dimension and select all metrics available.

Click the Graphed Metrics tab.
Set the metrics exhibition type to Number.
Set the Statistic aggregation to Sum.
Set the Period to 1 Day.
Validate the metrics you just pushed.
