Is there a simple way to capture the Response times for the requests and responses in a PostMan script?

I am trying to do the following by creating a Collection and then in the Tests, writing the following script to capture and put the value in an Environment variable:

postman.setEnvironmentVariable(MyURLRequest, (responseTime));

This provides me the value in the Environment variable, but I need to specifically go there everytime to check the time.

The other way I have tried is to use the 'Runner' on the collection and get the response times from the totalRequestTime value in the exported results. But as I am running ~50 requests, it becomes hard to capture the same for each individual request.

Has anyone tried this earlier and been able to get a better way to capture and export a response time value for each request sent out?