[Wennicke]

Use scripting discussion for interior questions. Or if it's a mapping question then use a Map Editor to make an interior:

Scripting tutorials:
http://forum.sa-mp.com/forumdisplay.php?f=70

Scripting discussion:
http://forum.sa-mp.com/forumdisplay.php?f=12

Map Editor:
https://sampforum.blast.hk/showthread.php?tid=282801