# Developing Your Visionline Mobile Key App

You can use Visionline with your development account to develop and test your Visionline mobile key app.

For detailed instructions, see the following topics:

[Step 1: Complete the ASSA ABLOY Mobile Development Course](/latest/device-and-system-integration-guides/assa-abloy-visionline-access-control-system/visionline-acs-setup-instructions/developing-and-launching-your-visionline-mobile-key-app/developing-your-visionline-mobile-key-app/step-1-complete-the-assa-abloy-mobile-development-course.md)

[Step 2: Install Your Visionline Application](/latest/device-and-system-integration-guides/assa-abloy-visionline-access-control-system/visionline-acs-setup-instructions/developing-and-launching-your-visionline-mobile-key-app/developing-your-visionline-mobile-key-app/step-2-install-your-visionline-application.md)

[Step 3: Unblock Required Ports](/latest/device-and-system-integration-guides/assa-abloy-visionline-access-control-system/visionline-acs-setup-instructions/developing-and-launching-your-visionline-mobile-key-app/developing-your-visionline-mobile-key-app/step-3-unblock-required-ports.md)

[Step 4: Configure a Visionline User Account](/latest/device-and-system-integration-guides/assa-abloy-visionline-access-control-system/visionline-acs-setup-instructions/developing-and-launching-your-visionline-mobile-key-app/developing-your-visionline-mobile-key-app/step-4-configure-a-visionline-user-account.md)

[Step 5: Set up Your Credential Services Account in Visionline](/latest/device-and-system-integration-guides/assa-abloy-visionline-access-control-system/visionline-acs-setup-instructions/developing-and-launching-your-visionline-mobile-key-app/developing-your-visionline-mobile-key-app/step-5-set-up-your-credential-services-account-in-visionline.md)

[Step 6: Configure the Mobile Access UUID in Visionline](/latest/device-and-system-integration-guides/assa-abloy-visionline-access-control-system/visionline-acs-setup-instructions/developing-and-launching-your-visionline-mobile-key-app/developing-your-visionline-mobile-key-app/step-6-configure-the-mobile-access-uuid-in-visionline.md)

[Step 7: Set up Door Locks with BLE Profiles](/latest/device-and-system-integration-guides/assa-abloy-visionline-access-control-system/visionline-acs-setup-instructions/developing-and-launching-your-visionline-mobile-key-app/developing-your-visionline-mobile-key-app/step-7-set-up-door-locks-with-ble-profiles.md)

[Step 8: Program Door Locks](/latest/device-and-system-integration-guides/assa-abloy-visionline-access-control-system/visionline-acs-setup-instructions/developing-and-launching-your-visionline-mobile-key-app/developing-your-visionline-mobile-key-app/step-8-program-door-locks.md)

[Step 9: Create a Production Workspace](/latest/device-and-system-integration-guides/assa-abloy-visionline-access-control-system/visionline-acs-setup-instructions/developing-and-launching-your-visionline-mobile-key-app/developing-your-visionline-mobile-key-app/step-9-create-a-production-workspace.md)

[Step 10: Connect Your Visionline Development Account to Seam](/latest/device-and-system-integration-guides/assa-abloy-visionline-access-control-system/visionline-acs-setup-instructions/developing-and-launching-your-visionline-mobile-key-app/developing-your-visionline-mobile-key-app/step-10-connect-your-visionline-development-account-to-seam.md)

[Next Steps](/latest/device-and-system-integration-guides/assa-abloy-visionline-access-control-system/visionline-acs-setup-instructions/developing-and-launching-your-visionline-mobile-key-app/developing-your-visionline-mobile-key-app/next-steps.md)


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