Google Script - DriveApp.getFilesByName - Error (No Permission) -


i'm trying call custom function pdffile google spreadsheets. 

function pdffile(number, revision) {   // log name of every file in user's drive.   logger.log(number + '_r' + revision + '.pdf');    var files = driveapp.getfilesbyname(number + '_r' + revision + '.pdf');   while (files.hasnext()) {     var file = files.next();     //var name = file.getname();     var id = file.getid();     logger.log(file.getname() + '|' + file.getid());      //return link pdf file     return '=hyperlink("https://docs.google.com/file/d/'+id+'/edit?usp=drivesdk";"pdf")';   } }

it works when test in script editor manually.

function test_pdffile() {   var range = spreadsheetapp.getactivespreadsheet().getsheets()[0].getrange("d2:e2");    // returns cell   var number = range.getcell(1, 1).getvalue();   var revision = range.getcell(1, 2).getvalue();    result = pdffile(number, revision);   logger.log(result); }

but, when use custom formula in spreadsheet, error "you don't have permission call function driveapp.getfilesbyname (row 5)" comes. have switched on drive api in resources->additional google functions , in developer console. please, find attached images (sorry, text in russian). please, help.

if custom function throws error message you not have permission call x service., service requires user authorization , cannot used in custom function.

check documentation more details.

hope helps!


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