Firstly please make sure that the Siri is enabled for Swiftlane application by following the below steps on your mobile's Settings application:
*Settings> Search for Swiftlane on the search bar
Click on Swiftlane>Click on Siri & search
check all boxes
Once this is completed, please follow the below steps:
Open the Swiftlane Application.
Navigate to the Door section and click on the door (for example Lobby).
Tap on the "Add to Siri" button.
Follow the prompts to create a command to unlock the door and click "Done." You can customize the command by selecting "Change Voice Phrase."
Test the command to see if you're able to unlock the door. Repeat these steps for other doors in the application.