async def patch(self,body: PhoneAuthenticationMethod, request_configuration: Optional[RequestConfiguration[QueryParameters]] = None) -> Optional[PhoneAuthenticationMethod]:
        """
        Update a user's phone number associated with a phone authentication method object. You can't change a phone's type. To change a phone's type, add a new number of the desired type and then delete the object with the original type. If a user is enabled by policy to use SMS to sign in and the mobile number is changed, the system will attempt to register the number for use in that system. Self-service operations aren't supported.
        param body: The request body
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[PhoneAuthenticationMethod]
        Find more info here: https://learn.microsoft.com/graph/api/phoneauthenticationmethod-update?view=graph-rest-1.0
        """
        if body is None:
            raise TypeError("body cannot be null.")
        request_info = self.to_patch_request_information(
            body, request_configuration
        )
        from ......models.o_data_errors.o_data_error import ODataError

        error_mapping: dict[str, type[ParsableFactory]] = {
            "XXX": ODataError,
        }
        if not self.request_adapter:
            raise Exception("Http core is null") 
        from ......models.phone_authentication_method import PhoneAuthenticationMethod

        return await self.request_adapter.send_async(request_info, PhoneAuthenticationMethod, error_mapping)

        Update a user's phone number associated with a phone authentication method object. You can't change a phone's type. To change a phone's type, add a new number of the desired type and then delete the object with the original type. If a user is enabled by policy to use SMS to sign in and the mobile number is changed, the system will attempt to register the number for use in that system. Self-service operations aren't supported.
        param body: The request body
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[PhoneAuthenticationMethod]
        Find more info here: https://learn.microsoft.com/graph/api/phoneauthenticationmethod-update?view=graph-rest-1.0
        
msgraph/generated/users/item/authentication/phone_methods/item/phone_authentication_method_item_request_builder.py