Implement Worklist Notifications

We are to implement Notificaitons using worklist.

The scenario is as follows:

There are 4 different RegRegions in our system and for each of these reg regions there are 4 different Groups like RegRegion1HRgroup, RegREgion1ITInfraGroup, RegRegion1FacilitiesGroup.

Each Region have their own groups i.e there are going to be RegRegion2HRgroup, RegREgion2ITInfraGroup, RegRegion2FacilitiesGroup. AND

  RegRegion3HRgroup, RegREgion3ITInfraGroup, RegRegion3FacilitiesGroup AND RegRegion4HRgroup, RegREgion4ITInfraGroup, RegRegion4FacilitiesGroup.

For any job data change to an employee belonging to RegRegion1 The worklist is supposed to go to RegRegion1HRgroup, RegREgion1ITInfraGroup, RegRegion1FacilitiesGroup.

How can we achieve the following?