Time Spent feature allows you to monitor the minutes/hours spent on each task.
Click on the Task to access the Task Properties.
You will find the Time Spent option in the Properties section of the Task Properties.
Click on the "+" icon next to the Time Spent option to record the productivity of the selected task and click Start Recording.
Click on the "+" icon next to the Time Spent option to stop recording the productivity of the selected task and click Stop.
Where to locate the Time Spent Duration:
Hover over a project where you need to check the time spent in a task.
At the bottom left of the screen, you will see the total time spent.
Click on the data and the member will appear, you will also have the option to delete the data.