Auto -> JS writing a file

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Not yet possible

Custom filenames and paths

How to change the name of the data file when running online experiment

in psychopy coder we can change the data file name : filename = thisDir + os.sep + u’data/%s%s’ % (expInfo[‘phone_number：’],expInfo[‘student_number’]) but in the javascript export by the builder , I cannot find the place to change the data file name, do you guys know how to change it ?

PsychoPy Python to Javascript crib sheet