How Do I Access Specific Window Elements (UI Scripting)?

Questions & Suggestions
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15

I answer to you.

  1. I found this code I tried to adapt to my case but I couldn't
tell application "System Events"
    tell process "Messages"
        set frontmost to true
        if not (exists (1st window whose value of attribute "AXIdentifier" is "MessagesPreferencesWindow")) then
            keystroke "," using command down
            repeat until exists (1st window whose value of attribute "AXIdentifier" is "MessagesPreferencesWindow")
                delay 0.1
            end repeat
        end if
        tell (1st window whose value of attribute "AXIdentifier" is "MessagesPreferencesWindow")
            tell pop up button 4 of group 1
                click
                delay 0.2
                click menu item "Popcorn" of menu 1
            end tell
        end tell
    end tell
end tell
  1. I got it through Apple script with this code: How to modify do something to many window which name star with same words . This last is working!