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I am trying to write an AppleScript to control Orion, a new privacy-focused browser, that will open a new tab in the frontmost window with a specified URL. However, I am getting the result "missing value". Orion is in beta, and I’m inexperienced with AppleScript, so I can’t tell if the problem is with me or with the browser.  Any help would be appreciated! What I have now is: tell application "Orion" make new tab at window 1 with properties {URL:"https://twitter.com"} end tell I have tried variations, listed at the end of this post. Orion does have basic AppleScript support: Here are the variations I've tried: tell application "Orion"   tell window 1     make new tab at beginning with properties {URL:"https://twitter.com"}   end tell end tell tell application "Orion"   make new tab at end of tabs of window 1 with properties {URL:"https://twitter.com"} end tell tell application "Orion" to tell window 1   make new tab with properties {URL:"https://twitter.com"} end tell tell application "Orion" make new document -- maybe this. Creates window make new tab at end of tabs of window 1 with properties {URL:"https://twitter.com"} end tell