bind <key>
botmenu
where <key> is a key such as g that you aren't using.
Then press your <key> to access the botmenu
addbot
<team> <class> <name> <skill>
if you
leaving anything blank it will be random.
<team>
(1 or 2, allies or axis)
<class>
(1-4)
<name>
(whatever you want)
<skill>
(1-6, 1 hardest, 6 easiest)
For example:
addbot 2 4 2