ActionGroups
ActionGroups group together actions for agents or collections which should happen at same time step
actionGroup=[ActionGroup createBegin: zone];
[actionGroup createActionTo: agent1 message: M(youDo1)];
[actionGroup createActionTo: agentN message: M(youDoN)];
[actionGroup createActionForEach: group1 message: M(allDo1)];
[actionGroup createActionForEach: groupN message: M(allDoN)];
[schedule at: t createAction: actionGroup];