MRP operation procedure

Hello everyone!

We have not used the MRP until now. but, we are going to review whether to use MRP from now on. I would like to know briefly how MRP operates on Epicor.
Naturally, we need to be trained separately on how to operate in detail. However, we need to know roughly how it works so that we can see if it can be incorporated into our business processes.
I would appreciate it if you could briefly let me know the MRP operation procedure.
ex) 1(sequence of the work). Menu title : which field to enter
2. Menu title : which field to enter
3. …