To use a namespace with a scratch org, you must link the Developer Edition org where the namespace is registered to a Dev Hub org.
Complete these tasks before you link a namespace.
If you don’t have an org with a registered namespace, create a Developer Edition org that is separate from the Dev Hub or scratch orgs. If you already have an org with a registered namespace, you’re good to go.
In the Developer Edition org, create and register the namespace.
Choose namespaces carefully. If you’re trying out this feature or need a namespace for testing purposes, choose a disposable namespace. Don’t choose a namespace that you want to use in the future for a production org or some other real use case. After you associate a namespace with an org, you can’t change it or reuse it.
Important
Log in to your Dev Hub org as the System Administrator or as a user with the Salesforce DX Namespace Registry permissions.
Make sure your browser allows pop-ups from your Dev Hub org.
Tip
From the App Launcher menu, select Namespace Registries.
Click Link Namespace.
In the window that pops up, log in to the Developer Edition org in which your namespace is registered using the org’s System Administrator’s credentials.
You can’t link orgs without a namespace: sandboxes, scratch orgs, patch orgs, and branch orgs require a namespace to be linked to the Namespace Registry.
To view all the namespaces linked to the Namespace Registry, select the All Namespace Registries list view.
See Also
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