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This section explains the best practices to be followed when creating mediation sequences in the following scenarios.

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• Use Iterator mediator in association with Aggregate mediator.

• Do not do any configuration after the Send mediator.

• Do proper error handling to handle mediation errors as well as endpoint errors.

• Use dollar context (i.e. $ctx)instead of using the get property.

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  This is because the get-property methods search even in Registry if the value is not available in the message context. Thus, it affects performance as Registry search is an expensive operation. However, $ctx only checks in the message context.

• Use appropriate intervals for tasks.

• Use the ForEach mediator only for message transformations. If you need to make back-end calls from each iteration, then use the iterate mediator.

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The correct usage of the Clone mediator

When using a Clone mediator, use a Call mediator in the target sequence to bring the responses back into the In-Sequence. This continues the mediation since the Continuation Stack gets pushed into the Synapse Message Context via the handleMessage method in the SynapseCallbackReceiver class.

Otherwise, the Continuation Stack becomes empty in the Synapse Message Context if you do not use a Call mediator in the target sequence.