Trying to define a new org-download keybinding

org-paste-clipboard.el

(use-package! org-download
  :commands
  org-download-clipboard
  :defines
  org-download-screenshot-basename
  :init
  (defun zz/org-download-paste-clipboard (&optional noask)
    (interactive "P")
    (let ((file
           (if (not noask)
               (read-string (format "Filename [%s]: " org-download-screenshot-basename)
                            nil nil org-download-screenshot-basename)
             nil)))
      (org-download-clipboard file)))
  (map! :map org-mode-map "C-c l a b" #'zz/org-download-paste-clipboard))