Create Hidden Field to pass User ID and Pass it via query params

[bawa]

I have embedded kobo iframe in to my mobile app I want to pass user’s ID with my form but it shouldn’t ask from user in separate from can we pass hidden values like using query prams ?

[jnm]

Yes, you should be able to pass values for any response, including responses to hidden questions, using query parameters. For example, to set the collectorID response to CAT_PEOPLE, you could use https://ee.kobotoolbox.org/single/lZr49Upg?d%5BcollectorID%5D=CAT_PEOPLE. For more details, check out the following discussion:

Multiple Collector Links for Single Survey

This may not be as elegant as what you’d like, but I think what you’re after is possible using hidden fields and pre-filling Enketo responses via URL. I can create this XLSForm: type name label relevant calculation hidden collectorID Collector ID note missingCollectorID Sorry: it looks like you’ve accessed this survey through an invalid link. Please check the URL and try again. ${collectorID} = ‘’ calculate validSubmission Submission is valid ${collectorID} != ‘’ begin_group e…

If this does not work for iframes for some reason, please let us know.