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Overview

The Wait For Event Block pauses the execution of a flow until a specific event is raised by a Raise Event Block or the host project. This block is crucial for scenarios where you need to synchronize your flow with external actions or other parts of the flow.
Wait For Event Block Screenshot

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Inputs

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Event Name
string
The name of the event to wait for. This input is only available if Use Event Name Input is enabled in the settings. The value will be coerced to a string.
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Data
any
Any data to be passed through the block. This data will be outputted from the Data output port. Optional.

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Outputs

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Data
any
The data passed in through the Data input port, passed through unchanged. If no data was provided to the input, this output will not be available.
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Event Data
any
The data associated with the event that was raised. The type depends on what data was included when the event was raised. If the event has no associated data, this output will not be available.

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Editor Settings

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Event Name
string
default:"continue"
The name of the event to wait for. Must match the name of the event raised by the Raise Event Block or the host project. Only used if Use Event Name Input is disabled.
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Use Event Name Input
boolean
default:false
If enabled, the Event Name can be provided via the Event Name input port instead of being set in the settings.

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Examples

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Example: Synchronizing with a Raise Event Block

  1. Create a Raise Event Block and set the Event Name to myEvent.
  2. Add a Wait For Event Block and set the Event Name to myEvent.
  3. Connect a Text Block with “Raise Event” to the Raise Event Block’s Data input.
  4. Connect another Text Block with “Waited” to the Wait For Event Block’s Data input.
  5. Connect both blocks’ outputs to separate Text Blocks.
  6. Run the flow. The Wait For Event Block will pause until the Raise Event Block raises myEvent.
  7. Observe how the Wait For Event Block outputs both its input data and the event data.

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Error Handling

The Wait For Event Block does not generate errors under normal circumstances. If the expected event is not raised, the block will wait indefinitely.

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FAQ

No, each Wait For Event Block can only wait for a single event. To wait for multiple events, use multiple Wait For Event Blocks.
Yes, you can use an HTTP Call Block to make an API call, then use the Wait For Event Block to wait for an event raised in response to that call.

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See Also

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