# Trigger

Triggers one or more acquisitions at the specified interval.

Note: Trigger only works when you are Online.
Inputs

The Trigger function Functions are tools that are available in Spreadsheet for processing and analyzing acquisitions or other results. You can add functions to your Spreadsheet job to create tool chains and produce results for specific applications. has the following syntax:

Trigger(Event, Number of acquisitions, Trigger Interval)

See the table for a description of the available parameters.

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. The maximum value is 30.
Trigger Interval (ms) | The time between acquisition Acquisition is the process or result of the vision system acquiring a new image. triggers in milliseconds. The maximum value is 10,000.

Outputs

Returns | A trigger function.