# Latch

Stores (latches) an input value on the specified event.

Inputs

Parameter | Description
Event | Specifies the update event on which to read the Value. This parameter must be a reference to one of the following: The Image data structure in cell A0 , containing the AcquireImage 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.. A cell containing Button function.
Value | A reference to the cell containing the data to store.

Outputs

Returns | The value stored on the last event.

## Related Topics

Clocked Data Storage Functions