To get an own ActionController that can be called like this:
http://www.mysexydomain.de/nicefrontname/nicecontrollerprefix/niceactionprefix/
… you have to add the following snippet into the FE or BE section of your config.xml:
<frontend> <routers> <sns_documentmaster> <use>standard</use> <args> <module>SNS_Documentmaster</module> <frontName>nicefrontname</frontName> </args> </sns_documentmaster> </routers> </frontend>