Portal Context
From HLKitWiki
Context: HL Kit … Kit Reference … Context Transitions
See Also: Portal Target References
From within a "portal" context, you can utilize the following set of valid context transitions:
parent Transitions to the layout context or template context corresponding to the visual element that contains the portal.
Example: this.parent
NOTE! The "parent" transition can only be utilized a single time, so it is not possible to go upwards two or more levels within the hierarchy.
