Doesn't work - Cross-domain Redirect in google form in an iframe in google sheets app script -


i have function launchform within google sheet calls function createform single question. url of newly created form , pass sandbox iframe using urlfetchapp, shown below:

function launchform() {  var form = createform(); // separate function works fine  formurl = form.getpublishedurl() var response = urlfetchapp.fetch(formurl,{"followredirects" : true}); // true if automatic redirecting works var formhtml = response.getcontenttext();  var htmlapp = htmlservice       .createhtmloutput(formhtml)       .setsandboxmode(htmlservice.sandboxmode.iframe)       .setxframeoptionsmode(htmlservice.xframeoptionsmode.allowall) // did prevent error didn't  var ss = spreadsheetapp.getactivespreadsheet();  ss.show(htmlapp); }

i have created custom menu in sheets run launchform function.

the trouble is, new form url @ docs.google.com/a/, while sheet @ docs.google.com/spreadsheets/d/...

this means iframe, instead of loading form, opens sign-in screen in when (the creator of form) tries run it. when else edit permissions runs script, sees form expected, unable make inputs form.

i have read cors, x-frame-options, oauth2, , nothing seems provide precise answer must do. appreciated.


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