# FsChartMetadata Metadata regarding an airport chart, part of an `FsChartIndexCategory`.   ##### Syntax ``` wasm struct FsChartMetadata { const char* guid; const char* name; const char* provider; FsIcao airportIcao; FsRunwayIdentifier* runways; int numRunways; FsChartProcedureIdentifier* procedures; int numProcedures; const char** aircraftTypes; int numAircraftTypes; FsChartRelationship* relationships; int numRelationships; const char* type; unsigned long long validFrom; unsigned long long validUntil; bool geoReferenced; }; ```   ##### Members {{< table-wrapper >}} | Member | Description | |--------------------|---------------------------------------------------------------------------------------------------------------------| | `guid` | The chart's {{< glossterm >}}guid{{< /glossterm >}}. | | `name` | The human-readable chart name. | | `provider` | The chart provider this chart comes from. | | `airportIcao` | The {{< glossterm >}}icao{{< /glossterm >}} of the chart's airport. | | `runways` | The array of runway identifiers this chart is related to. | | `numRunways` | The number of runway identifiers this chart is related to. | | `procedures` | The array of procedures this chart is related to. | | `numProcedures` | The number of procedures this chart is related to. | | `aircraftTypes` | The array of aircraft types this chart is specifically applicable to, empty if applicable to all types. | | `numAircraftTypes` | The number of aircraft types this chart applies to, or 0 if it applies to all types. | | `relationships` | The array of relationships from this chart to other charts. | | `numRelationships` | The number of relationships this chart has with other charts. | | `type` | The chart's type. What this means semantically is dependent on the specific provider which returned this chart. | | `validFrom` | The UNIX timestamp beginning from which the chart is valid, if applicable. If not applicable, this value will be 0. | | `validUntil` | The UNIX timestamp until which the chart is valid, if applicable. If not applicable, this value will be 0. | | `geoReferenced` | Whether any of the chart's pages are geo-referenced. | {{< /table-wrapper >}}   ##### Remarks N/A