Variable: action-key-default-function
action-key-default-function is a customizable variable defined in
hui-mouse.el.
Value
action-key-error
Documentation
Function run by the Action Key in an unspecified context.
Set it to hyperbole if you want it to display the Hyperbole minibuffer menu.
Source Code
;; Defined in ~/.emacs.d/elpa/hyperbole-20260414.325/hui-mouse.el
(defcustom action-key-default-function #'action-key-error
"Function run by the Action Key in an unspecified context.
Set it to `hyperbole' if you want it to display the Hyperbole minibuffer menu."
:type 'function
:group 'hyperbole-keys)