Queries global scene options, creating an output for each option.
Container for user-defined plugs. Nodes should never make their own plugs here, so users are free to do as they wish.
The scene to query the options from.
The options to be queried - arbitrary numbers of options may be added
as children of this plug via the user interface, or via python. Each
child is a
name plug is the option to query,
value plug is the default value to use if the option can
not be retrieved.
The parent plug of the query outputs. The order of outputs corresponds
to the order of children of