# ** BEGIN EXPERIMENT tab ** #

CustomKeyboard = keyboard.Keyboard() 

# ** BEGIN ROUTINE tab ** #

## create starting attributes for CustomKeyboard
CustomKeyboard.keys = []
CustomKeyboard.rt = []
CustomKeyboard.tDown = []
CustomKeyboard.rt_corr = []
CustomKeyboard.duration = []
_CustomKeyboard_allKeys = []

CustomKeyboard.tStart = None
CustomKeyboard.tStartRefresh = None
CustomKeyboard.status = NOT_STARTED

# ** EACH FRAME tab ** #

## *CustomKeyboard* updates

waitOnFlip = False
# if CustomKeyboard is starting this frame...
if CustomKeyboard.status == NOT_STARTED and tThisFlip >= 0.0-frameTolerance:
    # keep track of start time/frame for later
    CustomKeyboard.frameNStart = frameN  # exact frame index
    CustomKeyboard.tStart = t  # local t and not account for scr refresh
    CustomKeyboard.tStartRefresh = tThisFlipGlobal  # on global time
    win.timeOnFlip(CustomKeyboard, 'tStartRefresh')  # time at next scr refresh
    # add timestamp to datafile
    thisExp.timestampOnFlip(win, 'CustomKeyboard.started')
    # update status
    CustomKeyboard.status = STARTED
    # keyboard checking is just starting
    waitOnFlip = True
    win.callOnFlip(CustomKeyboard.clock.reset)  # t=0 on next screen flip
    # skipping the line below doesn't change the issue
    win.callOnFlip(CustomKeyboard.clearEvents, eventType='keyboard')  

if CustomKeyboard.status == STARTED and not waitOnFlip:
    theseKeys = CustomKeyboard.getKeys(keyList=['capslock','a','return','pound'], waitRelease=True)
    _CustomKeyboard_allKeys.extend(theseKeys)
    if len(_CustomKeyboard_allKeys):
        CustomKeyboard.keys = [key.name for key in _CustomKeyboard_allKeys]  # storing all keys
        CustomKeyboard.rt = [key.rt for key in _CustomKeyboard_allKeys]
        CustomKeyboard.tDown = [key.tDown for key in _CustomKeyboard_allKeys]
        CustomKeyboard.rt_corr = [ key.tDown-CustomKeyboard.tStartRefresh for key in _CustomKeyboard_allKeys]
        CustomKeyboard.duration = [key.duration for key in _CustomKeyboard_allKeys]

# ** END ROUTINE tab ** #

## check for responses

if CustomKeyboard.keys in ['', [], None]:  # No response was made
    CustomKeyboard.keys = None

thisExp.addData('CustomKeyboard.keys',CustomKeyboard.keys)
if CustomKeyboard.keys != None:  # we had a response
    thisExp.addData('CustomKeyboard.rt', CustomKeyboard.rt)
    thisExp.addData('CustomKeyboard.tDown', CustomKeyboard.tDown)
    thisExp.addData('CustomKeyboard.rt_corr', CustomKeyboard.rt_corr)
    thisExp.addData('CustomKeyboard.duration', CustomKeyboard.duration)

```python

### Additional context

_No response_