Client ease in knowing the workdone

Can someone help me in telling that how can we know if the modeler has performed the specific task given to him by client. Any leads will be appreciated.

That would be very difficult to attain, even using Dynamo. So many of the tasks that we achieve are subjective in nature. Say you model content from a Point Cloud for a living and you have a modeler that is helping you. Some of the content there will vary from person to person; there is no 100% done or 90% done. There is really know way to run metrics on something that is subjective in nature.

say our client has given us work in excel to draw certain number of doors, windows etc etc then how can it be checked through a code/