pageSettings

object. Settings for the saved page, as a tabs.PageSettings object. This object must be given, but all its properties are optional. Any properties not specified here will get the default values listed in the PageSettings documentation.

A Promise that will be fulfilled with a status string when the dialog has closed. The string may be any of:

• "saved"
• "replaced"
• "canceled"
• "not_saved"
• "not_replaced"

In this example a background script listens for a click on a browser action, then tries to save the currently active tab as a PDF file, then logs the result:

browser.browserAction.onClicked.addListener(() => {
  browser.tabs.saveAsPDF({})
    .then((status) => {
      console.log(status);
    });
});