What does `req.options.preview` do in a script?

  • I've seen this code in some legacy reports' scripts in my org but I can't seem to find documentation on what it means. And yes, I did search on the jsreport site and forum but couldn't find much or anything helpful.
    The code is: req.options.preview = false
    I logged the options object and it's just this (before setting it to false):

    "options": {
          "preview": "true"

    What does preview refer to here? Thanks in advance for your help

  • This flag is used to mark the request running from jsreport studio.

    Maybe you use it to disable the office preview. However, you should use req.options.office.preview=false instead.

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