# Manual JS configuration to capture onset times in exp output

**URL:** <https://discourse.psychopy.org/t/manual-js-configuration-to-capture-onset-times-in-exp-output/12729>\
**Category:** Online experiments\
**Created:** [April 24, 2020, 10:25am UTC](https://discourse.psychopy.org/t/manual-js-configuration-to-capture-onset-times-in-exp-output/12729 "2020-04-24T10:25:47Z")\
**Posts on this page:** 1\
**Showing post:** 17

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**Author:** ![Stuart\_Furnell](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.psychopy.org/stuart_furnell/32/7198_2.png) [@Stuart\_Furnell](https://discourse.psychopy.org/u/Stuart_Furnell)\
**Post date:** [April 30, 2020, 8:43am UTC](https://discourse.psychopy.org/t/manual-js-configuration-to-capture-onset-times-in-exp-output/12729/17 "2020-04-30T08:43:54Z")

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@ps2

please see code inserted in the code component below.

‘’’  
psychoJS.experiment.addData(Img1.tStart);  
psychoJS.experiment.addData(Img2.tStart);  
psychoJS.experiment.addData(MaskImg.tStart);  
psychoJS.experiment.addData(FixCross.tStart);  
psychoJS.experiment.addData(ResponseImg.tStart);

‘’’

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