As you most probably know, any word that appears in current file should be already present in the autocomplete (ctrl+j) list, so your "functions names" should be there too (just type first few letters and check it out).
If "own functions" means something like "object's methods" ($instance->method()), or if you are asking for somewhat "hinted" autocomplete snippets (like ctrl+spaceish clips; eg with listed parameters with description taken from lets say PHPdoc) or autocomplete entries injected from within ALL FILES of current project, … such requests appeared in the past, but (paraphrasing Jan's responses) it is a task for full-featured IDE, not a general purpose text editor. -- <http://forum.pspad.com/read.php?2,55892,55921> PSPad freeware editor http://www.pspad.com
