Message groups
Message groups allow multiple messages to be marked as related to one another, and a logical order to be applied to the group (see [Logical and physical ordering](https://www.ibm.com/docs/en/SSFKSJ_9.1.0/develop/q026270_.html%20%22Messages%20on%20queues%20can%20occur%20(within%20each%20priority%20level) in physical or logical order.")). On [Multiplatforms](https://www.ibm.com/docs/en/SSFKSJ_9.1.0/
Message groups allow multiple messages to be marked as related to one another, and a logical order to be applied to the group (see [Logical and physical ordering](https://www.ibm.com/docs/en/SSFKSJ_9.1.0/develop/q026270_.html%20%22Messages%20on%20queues%20can%20occur%20(within%20each%20priority%20level) in physical or logical order.")). On [Multiplatforms](https://www.ibm.com/docs/en/SSFKSJ_9.1.0/