# Trigger

Triggers one or more acquisitions at the specified interval.

## Trigger Inputs

Parameter | Description
--- | ---
Event | An external event that forces an update. Must reference the AcquireImage function, an Event structure, or a button function.
Number of acquisitions | The number of acquisitions to trigger.
Trigger Interval (ms) | The time between acquisition triggers in milliseconds.

## Trigger Outputs

Returns | A trigger function.