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- Client discovers the client registration endpoint. For more information on how to do this, see OpenID Connect Discovery Support. The registration endpoint URL is discoverable via WebFinger. For more information on discovering the client registration endpoint, see OpenID Connect Discovery.
- Client sends an HTTP POST message to the client registration endpoint with client metadata parameters that the client chooses to specify for itself during the registration.
- The authorization server assigns a unique client identifier (client ID) and optionally, a client secret.
- The authorization server associates the metadata given in the request with the issued client ID.
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