How to use Task Recorder in Dynamics 365?

Task Recorder is able to record user actions in the client with exact fidelity.

Task Recorder is able to capture the type of user action (such as a button click, value entry, navigation, etc.)

for more details
https://docs.microsoft.com/en-us/dynamics365/unified-operations/dev-itpro/user-interface/task-recorder

Go to Settings > Task recorder.

To create recording 

just click create recording