The FRONTBROWSERTABCOUNT() function (v8+) returns the number of tabs in the front browser (the most recently front web browser of Safari or Google Chrome).

• actions:Click Browser Link
• actions:Browser Form Actions
• actions:Browser Window Actions
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• FRONTBROWSERISCOMPLETE()
• FRONTBROWSERTABINDEX()
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• MACRO: Select Previously USED Safari Tab (not previous tab)
• Keyboard Maestro Forum topics about SAFARITABCOUNT() function