@digitaldan AFAIK the “Official Alexa Smart Home Skill for openHAB 2” still is using functions against “Amazon Smart Home Skill API” V2.
See here: oh2.js
In Sept. 2017 Amazon released a new version of their “Amazon Smart Home Skill API” V3 !
There are many changes, see this overview:
|--------------------------------------------------------------------------------------------------------------------------------------------|
| OH2 Skill (currently implemented) | Amazon Smart Home Skill API V2 | new Amazon Smart Home Skill API V3 |
|_______________________________________________|_______________________________________________|____________________________________________|
| 'TurnOnRequest' | turnOn | PowerController |
| 'TurnOffRequest' | turnOff | PowerController |
------------------------------------------------+-----------------------------------------------+--------------------------------------------|
| 'GetTemperatureReadingRequest' | getTemperatureReading | Alexa.TemperatureSensor |
| 'GetTargetTemperatureRequest' | getTargetTemperature | Alexa.TemperatureSensor |
------------------------------------------------+-----------------------------------------------+--------------------------------------------|
| 'SetTargetTemperatureRequest' | setTargetTemperature | Alexa.ThermostatController |
| 'IncrementTargetTemperatureRequest' | incrementTargetTemperature | Alexa.ThermostatController |
| 'DecrementTargetTemperatureRequest' | decrementTargetTemperature | Alexa.ThermostatController |
------------------------------------------------+-----------------------------------------------+--------------------------------------------|
| | setPercentage (light, dimmer, generic) | Alexa.BrightnessController (light) |
| | incrementPercentage (light, dimmer, generic) | Alexa.BrightnessController (light) |
| | decrementPercentage (light, dimmer, generic) | Alexa.BrightnessController (light) |
| 'SetPercentageRequest' | setPercentage (light, dimmer, generic) | Alexa.PowerLevelController (dimmer) |
| 'IncrementPercentageRequest' | incrementPercentage (light, dimmer, generic) | Alexa.PowerLevelController (dimmer) |
| 'DecrementPercentageRequest' | decrementPercentage (light, dimmer, generic) | Alexa.PowerLevelController (dimmer) |
| | setPercentage (light, dimmer, generic) | Alexa.PercentageController (generic)|
| | incrementPercentage (light, dimmer, generic) | Alexa.PercentageController (generic)|
| | decrementPercentage (light, dimmer, generic) | Alexa.PercentageController (generic)|
------------------------------------------------+-----------------------------------------------+--------------------------------------------|
| 'SetColorRequest' | setColor | Alexa.ColorController |
------------------------------------------------+-----------------------------------------------+--------------------------------------------|
| 'GetLockStateRequest' | getLockState | Alexa.LockController |
| 'SetLockStateRequest' | setLockState | Alexa.LockController |
------------------------------------------------+-----------------------------------------------+--------------------------------------------|
| not available | decrementColorTemperature | Alexa.ColorTemperatureController |
| not available | incrementColorTemperature | Alexa.ColorTemperatureController |
| not available | setColorTemperature | Alexa.ColorTemperatureController |
------------------------------------------------+-----------------------------------------------+--------------------------------------------|
| not available | turnOn (scene) | Alexa.SceneController |
| not available | turnOff (scene) | Alexa.SceneController |
------------------------------------------------+-----------------------------------------------+--------------------------------------------|
| not available | retrieveCameraStreamUri | Alexa.CameraStreamController |
|-----------------------------------------------+-----------------------------------------------+--------------------------------------------|
How long will V2 be supported? Are you planing to migrate to V3?
See also here: link
EDIT (here is the answer!): FYI