Please NOTE that this documentation describes the getPOIs API v7.1. Developers must use this specification to create new Vision layers. The API v7.1 is backward compatible with previous versions of the Layar Reality Browser (v3.0 and higher on Android and iPhone).
JSON Response - actions
For Geo layers, the actions object can be used on both layer level (root) and POI level (hotspots) in the JSON response. For Vision layers, actions can only be defined on the POI level.