<arg> add a positional argument to a command

name
arg
xml namespace
http://moyaproject.com

Defines an argument for a command. An <arg> tag must appear within the <signature> tag for a command.

Example

<!-- Should appear within a <signature> tag -->
<arg name="who" help="Who you want to greet">
attributes
name purpose type required? default choices
help Argument help text text No
metavar Argument metavar (shown in the help) text No
name Argument name (the variable when the command is execute) text No
nargs Number of arguments to be consumed text No
type Type of argument text No "string" file
float
integer
string