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For information on how to use the ESB tooling plug-in to create a new sequence or to import an existing sequence, see Working with Sequences via the WSO2 ESB Tooling Plug-In.
For information on working with local entries via the management console, see Working with Sequences via the Management Console.
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This sequence specifies three mediators in-line: the log mediator , property mediator , and the send mediator . It also references the named sequence "other_sequence" and therefore uses all the mediators defined in that sequence.
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- Create a dynamic sequence by referring to an entry in the registry, in which case the sequence will change as the registry entry changes.
- Activate statistics collection by setting the statistics attribute to enable. In this mode the sequence will keep track of the number of messages processed and their processing times. For more information, see Monitoring WSO2 ESB Using WSO2 Analytics /wiki/spaces/TESB/pages/32604738.
- Activate trace collection by setting the trace attribute to enable. If tracing is enabled on a sequence, all messages being processed through the sequence will write tracing information through each mediation step. For more information, see Mediation Tracer.
- Use the onError attribute to define a custom error handler sequence. If an error occurs while executing the sequence, this error handler will be called. If you do not specify an error handler, the fault sequence will be used, as described in the next section.
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