Location tracking configuration for triggerAction(). Controls how device location data is collected when reporting an action event. The user must consent to sharing location in advance (see Track geolocation).
• mode: String
The location collection mode. Accepted values: "disabled", "default", "forceCurrent", "forceLastKnown", "lastKnown"
• Optional validFor: int
For lastKnown mode, return location only if not older than this many seconds