def to_get_request_information(self,request_configuration: Optional[RequestConfiguration[ExtensionItemRequestBuilderGetQueryParameters]] = None) -> RequestInformation:
        """
        Get an open extension (openTypeExtension object) identified by name or fully qualified name. The table in the Permissions section lists the resources that support open extensions. The following table lists the three scenarios where you can get an open extension from a supported resource instance.
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: RequestInformation
        """
        request_info = RequestInformation(Method.GET, self.url_template, self.path_parameters)
        request_info.configure(request_configuration)
        request_info.headers.try_add("Accept", "application/json")
        return request_info

        Get an open extension (openTypeExtension object) identified by name or fully qualified name. The table in the Permissions section lists the resources that support open extensions. The following table lists the three scenarios where you can get an open extension from a supported resource instance.
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: RequestInformation
        
msgraph/generated/groups/item/threads/item/posts/item/extensions/item/extension_item_request_builder.py