There's alist in the Unofficial command ref in the Ed Depot.
Or look on your hard drive - its alreadyt there ;D
c:\ ... OFP\BIN\stringtable.csv
c:\ ... OFP\Res\BIN\stingtable.csv
Its an Excel spreadsheet with all kinds of stuff including actions. There is no list of how to use all the Actions - some of them remain unfigured out. If you want to use a particular one, and can't figure out the syntax, search the FAQ and the forum (both have excellent search functions) before posting here.
If you want somebody to enter a specified position in a building just place a waypoint right over the building and choose the appropriate position in the drop down box in the waypoint.