multi map PK4 files

i have made a few maps and i want to know how to put them into a pk4 for distribution. there are some custom guis in my maps, so those need to be in the file too. plus how do you make a level exit. can any one tell me?

EDIT: these are single player maps

Ok, make a zip file, then a folder called maps, and a folder called guis. Then place all your guis in the gui folder(if theres subfolders make sure to keep the path) and place your map files in the folder named maps, then drag and drop thies files into a zip and zip it at normal compression, then rename it(namehere).pk4, wala your done.

thx dude, wanna play the map i made?