Callback function file to execute immediately before logging starts
StartFcn to execute a callback
function file when all prelogging steps have been completed. You start
logging by calling the
A start event occurs immediately before
When a start event occurs, the function specified in
passed two parameters:
the object associated with the event, and
an event structure containing the fields
Type field is set to
Data field contains a structure with the fields
The time, as a MATLAB® date vector, that the event occurred.
The group name.
The number of records acquired in the current logging session at the time the event occurred.
Start event information is stored in the
string, function handle, or cell array
The default value is an empty matrix (