Alexa Smart Home Groups. For example you may want to group all lights on your ground floor into a single downstairs lights group. Go to the menu and select the devices icon.
The alexa app lets you create a smart home group for each room of your house. Create smart home groups for alexa open the alexa app. Then just ask alexa to play music on the group and the sounds are piped to all the devices in that.
This will take you to the main smart home screen listing all of your devices plus any groups that you might have.
Go to the menu and select the devices icon. Tap the menu button and select smart home select the groups tab tap add group and then select smart home group enter a name for your group or select an option from the list of common names select the lights you want to add to the group and then tap. From within the smart home menu of the amazon alexa smartphone app you can add any device into a single group which can be controlled by voice. Select plus and then add group.