API ReferencesGarmin API ReferenceInterfacesFmsPositionSystemEventsOn this pageInterface: FmsPositionSystemEventsEvents fired by the FMS geo-positioning system.HierarchyFmsPositionGNSSDataEvents↳ FmsPositionSystemEventsIndexable▪ [fmspos_state: `fms_pos_state_${number}`]: AvionicsSystemStateEventAn event fired when the FMS geo-positioning system state changes.