This function starts playing the selection as specified with the hs.MEDIAFilename property.
Parameter:
filename (optional)
Type: string
Description: This is the path and filename of the file to be played. If
it is omitted here, it must have been previously set using the MEDIAFilename
property.
Parameter:
host (optional)
Type: string
Description: Leaving this a null string will apply the command to the first
instance HomeSeer finds, otherwise use the hostname of the computer for
this command. If
more than one instance of the Speaker application is running on "host"
then you may need to specify the instance as well in the format host:instance.
None.