appkit:set-text
(appkit:set-text view text)
Sets a button's title, or any other control's string value, and answers the text. Part of the appkit package, a Cocoa widget layer written in rontolisp over objc and loaded on first use: macOS (java -jar, the rontolisp binary, or a compiled .class / .jar; never a .wasm), with a display. See the macOS GUI guide.
CL-USER> (appkit:set-text *label* "hello")
"hello"
CL-USER> (appkit:set-text *button* "Again")
"Again"