Bixby Developer Center

Guides
References

from-role

optional

Signifies that the parent is instantiating a role of the child. For this to be possible, the child has to be a primitive or a structure and the parent has to define a role-of or extends relationship to that concept.

For more information, see Match Patterns.

Child Keys

any
optional
Use the wildcard underscore (_) to match any node, regardless of its type