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## 2.1 Authorization Server

Table: `DIGX_FW_CONFIG_ALL_B`

Category-Id :OAuthUserInfoConfig

Property ID | Description | Property Value
--- | --- | ---
`oauthHandlerConfig` | This parameter is responsible for choosing the required Handler. The Parameter’s value is the fully qualified name of the Handler Class. The handler is responsible for implementing methods/validations that are over and above OpenID methods/validations. By default DefaultOauthHandler is used. It contains the methods to validate request Object Claims, fetch public key and private key, etc. UKOAuthHandler extends DefaultOauthHandler and overrides the methods to implement the UK OpenBanking specific validations. Any new Handler to be written for UK OpenBanking should extend UKOAuthHandler and override the methods and the fully qualified name of the Handler should be given against this oauthHandlerConfig parameter. | `* {{FULLY_QUALIFIED_HANDLER_CLASS_NAME}}` Example: com.ofss.digx.app.sms.handlers.oauth.openid.uk.UKOAuthHandler

* – These values are a part of Day one configurations and are not factory shipped. These values are mandatory and if not provided will result in error.

Parent topic: MESSAGE SIGNING AND VALIDATION