Queues order entities and sort them according to queue policies. They store entities for some length of time that cannot be determined in advance. For more information, see Storage with Queues and Servers.
Using attribute values to control the queue discipline
This example shows how to force service completion in an Entity Server block using functionality available on the block Preemption tab.
Using queue length signal to determine whether a queue is empty or nonempty
Using Stateflow® charts to model the behavior of a server that requires maintenance
What storage represents in various application types.
Suppose that you are modeling a queue that can physically hold 100 entities and you want to determine what proportion of the time the queue length exceeds 10.
What events represent in various application types.