Queries variables from the current context, creating outputs for each variable.
Container for user-defined plugs. Nodes should never make their own plugs here, so users are free to do as they wish.
The context variables to be queried - arbitrary numbers of context
variables may be added as children of this plug via the user interface,
or via python. Each child is a
name plug is
the context variable to query, and whose
value plug is the default
value to use if the variable does not exist in the context with an
The parent plug of the query outputs. The order of outputs corresponds
to the order of children of