a connection or a character string giving the name of the file to
load.
longitude
optional signed number indicating the longitude in degrees
East.
latitude
optional signed number indicating the latitude in degrees North.
debug
a flag that turns on debugging. The value indicates the depth
within the call stack to which debugging applies.
processingLog
if provided, the action item to be stored in the log. This
parameter is typically only provided for internal calls; the default that it
provides is better for normal calls by a user.