OAuth2 items states

• 0 - Initial - initial status, required administrator approval
• 1 - Approved - approved by administrator
• 2 - Registered - registered on the OAuth2 server
• 3 - Ready - final status of successful registration
• 4 - Declined - declined by administrator
• 5 - RegistrationFail - OAuth2 server registration failure
• 6 - HostDeliveryFail - error sending data to host