insert-button
insert-button is a compiled Lisp function in `button.el
'.
(insert-button LABEL &rest PROPERTIES)
Insert a button with the label LABEL.
The remaining arguments form a sequence of PROPERTY VALUE pairs,
specifying properties to add to the button.
In addition, the keyword argument :type may be used to specify a
button-type from which to inherit other properties; see
`define-button-type'.
Also see `insert-text-button', `make-button'.