You can set constraints to Same Time Group under the Grouping

Diagram 1.6.1 Location of Same Time Group

Diagram 1.6.2 Double Click the Same Time Group

Same Time Group Constraints Window will appear.

Diagram 1.6.3 Same Time Group Constraints Window

1. Specific Time Slot Constraint

Diagram 1.6.4 Specific Time Slot Constraint

Choose the Day and Time Slot and Click Add.

2. Specific Room

Diagram 1.6.5 Specific Room

Choose the room from Available Room (Left) and click Right Indent Arrow.

3. Conflict Resolution (Conflict with Not Same Time (Batch and No Conflict Group))

Diagram 1.6.6 Conflict with Not Same Time (Batch and No Conflict Group)

You can use this function is you opt to no clash or conflict with Not Same Time for Batch and No Conflict Group.