azure ml metrics using log or parent.log()?

At the moment I am using log to track ml experiment metrics in azure. An Example of the output.

Run 1  mse=0.3
Run 2  mse=0.2
run 3  mse=0.1

However, I want one mse value that summarises the entire pipeline would parent_run.log allow me to do this?

Research material used https://docs.microsoft.com/en-us/azure/machine-learning/how-to-track-designer-experiments