Session:Callback
This function is part of the Session class.
Callback is used to set the callback function you want to call when changes are made to your data.
While each of your Channels are automatically updated with new data as it comes in, callbacks provide a mechanism of knowing when those changes have occurred.
Parameters
| Name | Description |
|---|---|
| Func | The Python callback function |
Return Value
No Return Value
Callback Format
Your callback function must take a single parameter - an array of each of the Channels that have been updated.
For example…
def MyCallback(updates):
print("Value Changed: " + updates[0].AsText())
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