Reference to a named focus target, optionally inside a focus group.
A plain string refers to a target in the default focus layer; the object form refers to a target inside the named group.
The id of the target inside the group.
The name of the focus group the target belongs to.
Reference to a named focus target, optionally inside a focus group.
A plain string refers to a target in the default focus layer; the object form refers to a target inside the named group.