TlvKeySetWriteRequest: ObjectSchema<{
    groupKeySet: FieldType<TypeFromFields<{
        epochKey0: FieldType<null | Uint8Array>;
        epochKey1: FieldType<null | Uint8Array>;
        epochKey2: FieldType<null | Uint8Array>;
        epochStartTime0: FieldType<null | number | bigint>;
        epochStartTime1: FieldType<null | number | bigint>;
        epochStartTime2: FieldType<null | number | bigint>;
        groupKeyMulticastPolicy: OptionalFieldType<GroupKeyManagement.GroupKeyMulticastPolicy>;
        groupKeySecurityPolicy: FieldType<GroupKeyManagement.GroupKeySecurityPolicy>;
        groupKeySetId: FieldType<number>;
    }>>;
}> = ...

Input to the GroupKeyManagement keySetWrite command

MatterSpecification.v13.Core § 11.2.7.1