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Custom Application Settings
This feature is only available for Umbraco Cloud projects on a Standard or Professional plan.
Umbraco Cloud enables you to toggle a selection of predefined settings for each of the project's environments. A change of an application setting enables you to change one specific behavior of the app service that an environment is running in. The objective of application settings is to empower you with features or functionality that aren't available by default.
You can find this option in Settings -> Advanced -> Custom Application Settings. Currently, the only available setting is the Enable client certificate loaded from file system.
Enable client certificate loaded from file system Explained
If your cloud project needs to load a client certificate (such as an X.509 certificate) at runtime, you can turn on this feature for one or more environments. By turning this feature on for an environment, you will be able to load a client certificate as a file during the run-time of your cloud project.
For more information on loading a certificate from a file, see the Load certificate from file article in the Microsoft documentation.
When toggling the setting, a confirmation prompt is displayed. Enabling/disabling this feature enforces a restart of the environment.