Thanks!
Here is another take=)
(defcustom org-cite-basic-follow-actions
'[["Open"
("b" "bibliography entry" (org-cite-basic-goto !citation !prefix))]
["Copy"
("d" "DOI" org-cite-basic-follow.copy-doi)]
["Browse"
("u" "url" org-cite-basic-follow.browse-url)]]
"Hepp"
:group 'org-cite
:type 'sexp)
(transient-define-prefix org-cite-basic-follow (citation &optional prefix)
[:class transient-columns
:setup-children org-cite-basic-follow--setup
:pad-keys t]
(interactive)
(if (or org-cite-basic-follow-ask
(eq prefix '(-4)))
(transient-setup 'org-cite-basic-follow nil nil
:scope (list citation prefix))
(org-cite-basic-goto citation prefix)))
(defun org-cite-basic-follow--parse-suffix-specification (specification)
(pcase specification
((and (pred stringp) label)
label)
(`(,key ,desc (,fn . ,fn-args) . ,other)
(let ((function-args
(mapcar
(lambda (arg)
(pcase arg
('!citation
'(car (transient-scope)))
('!prefix
'(cadr (transient-scope)))
('!citation-key
'(org-element-property :key (car (transient-scope))))))
fn-args)))
`(,key ,desc
(lambda ()
(interactive)
(,fn ,@function-args))
,other)))
(`(,key ,desc ,suffix)
(list key desc suffix))))
(defun org-cite-basic-follow--setup (_)
(transient-parse-suffixes
'org-cite-basic-follow
(cl-map 'vector
(lambda (group)
(cl-map 'vector
#'org-cite-basic-follow--parse-suffix-specification
group))
org-cite-basic-follow-actions)))
Cheers,
Tor-björn