timeclock-change
timeclock-change is an interactive autoloaded compiled Lisp function in `timeclock.el
'.
(timeclock-change &optional ARG PROJECT)
Change to working on a different project.
This clocks out of the current project, then clocks in on a new one.
With a prefix ARG, consider the previous project as finished at the
time of changeover. PROJECT is the name of the last project you were
working on.