org-timer-set-timer
org-timer-set-timer is an interactive autoloaded Lisp function in `org-timer.el
'.
(org-timer-set-timer &optional OPT)
Prompt for a duration and set a timer.
If `org-timer-default-timer' is not zero, suggest this value as
the default duration for the timer. If a timer is already set,
prompt the user if she wants to replace it.
Called with a numeric prefix argument, use this numeric value as
the duration of the timer.
Called with a `C-u' prefix arguments, use `org-timer-default-timer'
without prompting the user for a duration.
With two `C-u' prefix arguments, use `org-timer-default-timer'
without prompting the user for a duration and automatically
replace any running timer.