Commands to enable/disable motion recording (requires either a free trial or a subscription).

Example commands to enable motion recording:

Alexa, ask Hubble to enable motion recording {name of device}
Alexa, ask Hubble to enable motion recording in {name of device}
Alexa, ask Hubble to enable recording
Alexa, ask Hubble to enable recording in {name of device}
Alexa, ask Hubble to enable video recording
Alexa, ask Hubble to enable video recording in {name of device}
Alexa, ask Hubble to start video recording
Alexa, ask Hubble to start video recording in {name of device}
Alexa, ask Hubble to turn on motion recording
Alexa, ask Hubble to turn on motion recording in {name of device}
Alexa, ask Hubble to turn on recording 
Alexa, ask Hubble to turn on recording in {name of device}

Example commands to disable motion recording:

Alexa, ask Hubble to disable motion recording
Alexa, ask Hubble to disable motion recording on {name of device}
Alexa, ask Hubble to disable recording
Alexa, ask Hubble to disable recording in {name of device}
Alexa, ask Hubble to disable video recording
Alexa, ask Hubble to disable video recording in {name of device}
Alexa, ask Hubble to stop motion recording
Alexa, ask Hubble to stop motion recording in {name of device}
Alexa, ask Hubble to stop recording
Alexa, ask Hubble to stop recording in {name of device}
Alexa, ask Hubble to turn off motion recording
Alexa, ask Hubble to turn off motion recording in {name of device}
Alexa, ask Hubble to turn off video recording
Alexa, ask Hubble to turn off video recording in {name of device}