RequestToGridAccessProvider RequestToGridAccessProviderHeaderRef. HeaderProcessRef. ProcessPayload Element Attribute LvDefinitionDescriptionCardMax LengthContentXML elementPayload Metering Point event1Payload Metering Point event class 1..1 PayloadMPEventQuery category2Code to describe the main intent of the request.Valid codes: Grid Access Provider request category 1..1A18 QueryCategorySubject2The subject of the requestShort text to describe the main issue of the request1..1A40 SubjectPublic request2Description of the requestWill be available for any subsequent balance suppliers on the metering point.0..1A300 RequestPublicPrivate request2Description of the request which will be "private" to the balance supplier issuing the request.Any subsequent balance suppliers on the metering point will not be able to view the information.0..1A300 RequestPrivateMetering Point2An entity where energy products are metered or calculatedIdentification of the metering point1..1 MeteringPointUsedDomainLocationIdentification3Unique identification of the metering point.Global Service Relationship Number (GSRN) from GS1 is used for identification of metering points.1..1A18 IdentificationschemeAgencyIdentifier3Attribute to the identification of the metering pointIdentification of the agency maintaining the metering point identification. 9 GS1 1..1A19schemeAgencyIdentifier ×