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TIBCO iProcess® Engine 11.9.1

# Test Events

The iProcess Engine uses an event mechanism to handle the inter-process communication. If the event mechanism does not work normally, the functions based on event communication are disabled. For example,

| • | The processes cannot be managed.

| • | The change of process attributes cannot be updated in real-time.

The iProcess Engine allows you to test the event mechanism manually by using the following command:

`swadm evloopback`

If the event mechanism works correctly, a loopback message will be received. Otherwise, an error message is displayed.

When Process Sentinel starts, a `START` event is issued, or a `SHUTDOWN` event is issued, the event mechanism is tested automatically. For more information, see Starting iProcess Engine, Issue a Start-up Event, or Issue a Shutdown Event.

## Example

The following message is displayed if the events work correctly.

`Events working correctly. Received loopback message in 1 second(s).`

Otherwise, an error message similar to the following is displayed:

`WARNING: Failed to receive the message in 10 seconds.`

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TIBCO iProcess® Engine

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