Select Settings in the Main Menu, then select Siri Shortcuts.
On this screen, you can add and edit your Siri shortcuts.
To add a Siri shortcut, select the Add button. You can select a destination to add to Siri. When you select a destination, you are taken to the Siri control panel, where you can further customize what you say to trigger this control.
To edit an existing Siri shortcut, select the destination that you want to edit, which will take you to the Siri control panel.