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The Enqueue mediator uses a priority executor to handle messages. Priority executors are used in high-load scenarios when you want to execute different sequences for messages with different priorities. This approach allows you to control the resources allocated to executing sequences and to prevent high-priority messages from getting delayed and dropped. For example, if there are two priorities with value 10 and 1, messages with priority 10 will get 10 times more resources than messages with priority 1.


Code Block
<enqueue xmlns="" 
	executor="[Priority Executor Name]" priority="[Priority]" sequence="[Sequence Name]">



UI Configuration

When you add the Enqueue mediator to your sequence, the following screen appears:

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Enqueue Mediator Attributes:


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The parameters available to configure the Enqueue mediator are as follows.

Parameter NameDescription
ExecutorThe priority executor that should be used to process the messages.


PriorityThe priority of messages that this mediator will handle. This priority level should also be defined in the priority executor.



that should be used to process messages with the specified priority. This sequence should be saved in the registry before it can be selected here. Click either Configuration Registry or the Governance Registry to select the required sequence from the resource tree.




For an example of priority-based mediation, see Sample 652: Priority Based Message Mediation.