First Step – Select Entity Sets:
In the first step, select the required entity sets. The table on the left shows all possible entity sets. Select the required entity sets and move them to the right table using the arrow keys in the middle.
Second Step – Select Operations:
In the second step, select the operations for that connector calls should be created. The left table shows all possible operations for the previously selected entity sets. Select the required ones and move them to the right table using the arrow keys in the middle. Operations that already have a connector call are printed bold.
Third Step – Configure Connector Calls: