Is there a way to open writer directly from mac OS X application

I need to open writer directly from an OS X application. i can’t pass the --writer in the nsurl. the only way i have is to create an executable script with the writer path (i.e. : /Applications/LibreOffice.app/content/MacOSX/soffice --writer).
is there a simpler way ?
is there a bundleIdentifier like org.libreoffice.script but for the writer ?

best regards