# Data Types The Amazon App Mesh API contains several data types that various actions use. This section describes each data type in detail. **Note** The order of each element in a data type structure is not guaranteed. Applications should not assume a particular order. The following data types are supported: + [AccessLog](API_AccessLog.md) + [AwsCloudMapInstanceAttribute](API_AwsCloudMapInstanceAttribute.md) + [AwsCloudMapServiceDiscovery](API_AwsCloudMapServiceDiscovery.md) + [Backend](API_Backend.md) + [BackendDefaults](API_BackendDefaults.md) + [ClientPolicy](API_ClientPolicy.md) + [ClientPolicyTls](API_ClientPolicyTls.md) + [ClientTlsCertificate](API_ClientTlsCertificate.md) + [DnsServiceDiscovery](API_DnsServiceDiscovery.md) + [Duration](API_Duration.md) + [EgressFilter](API_EgressFilter.md) + [FileAccessLog](API_FileAccessLog.md) + [GatewayRouteData](API_GatewayRouteData.md) + [GatewayRouteHostnameMatch](API_GatewayRouteHostnameMatch.md) + [GatewayRouteHostnameRewrite](API_GatewayRouteHostnameRewrite.md) + [GatewayRouteRef](API_GatewayRouteRef.md) + [GatewayRouteSpec](API_GatewayRouteSpec.md) + [GatewayRouteStatus](API_GatewayRouteStatus.md) + [GatewayRouteTarget](API_GatewayRouteTarget.md) + [GatewayRouteVirtualService](API_GatewayRouteVirtualService.md) + [GrpcGatewayRoute](API_GrpcGatewayRoute.md) + [GrpcGatewayRouteAction](API_GrpcGatewayRouteAction.md) + [GrpcGatewayRouteMatch](API_GrpcGatewayRouteMatch.md) + [GrpcGatewayRouteMetadata](API_GrpcGatewayRouteMetadata.md) + [GrpcGatewayRouteRewrite](API_GrpcGatewayRouteRewrite.md) + [GrpcMetadataMatchMethod](API_GrpcMetadataMatchMethod.md) + [GrpcRetryPolicy](API_GrpcRetryPolicy.md) + [GrpcRoute](API_GrpcRoute.md) + [GrpcRouteAction](API_GrpcRouteAction.md) + [GrpcRouteMatch](API_GrpcRouteMatch.md) + [GrpcRouteMetadata](API_GrpcRouteMetadata.md) + [GrpcRouteMetadataMatchMethod](API_GrpcRouteMetadataMatchMethod.md) + [GrpcTimeout](API_GrpcTimeout.md) + [HeaderMatchMethod](API_HeaderMatchMethod.md) + [HealthCheckPolicy](API_HealthCheckPolicy.md) + [HttpGatewayRoute](API_HttpGatewayRoute.md) + [HttpGatewayRouteAction](API_HttpGatewayRouteAction.md) + [HttpGatewayRouteHeader](API_HttpGatewayRouteHeader.md) + [HttpGatewayRouteMatch](API_HttpGatewayRouteMatch.md) + [HttpGatewayRoutePathRewrite](API_HttpGatewayRoutePathRewrite.md) + [HttpGatewayRoutePrefixRewrite](API_HttpGatewayRoutePrefixRewrite.md) + [HttpGatewayRouteRewrite](API_HttpGatewayRouteRewrite.md) + [HttpPathMatch](API_HttpPathMatch.md) + [HttpQueryParameter](API_HttpQueryParameter.md) + [HttpRetryPolicy](API_HttpRetryPolicy.md) + [HttpRoute](API_HttpRoute.md) + [HttpRouteAction](API_HttpRouteAction.md) + [HttpRouteHeader](API_HttpRouteHeader.md) + [HttpRouteMatch](API_HttpRouteMatch.md) + [HttpTimeout](API_HttpTimeout.md) + [JsonFormatRef](API_JsonFormatRef.md) + [Listener](API_Listener.md) + [ListenerTimeout](API_ListenerTimeout.md) + [ListenerTls](API_ListenerTls.md) + [ListenerTlsAcmCertificate](API_ListenerTlsAcmCertificate.md) + [ListenerTlsCertificate](API_ListenerTlsCertificate.md) + [ListenerTlsFileCertificate](API_ListenerTlsFileCertificate.md) + [ListenerTlsSdsCertificate](API_ListenerTlsSdsCertificate.md) + [ListenerTlsValidationContext](API_ListenerTlsValidationContext.md) + [ListenerTlsValidationContextTrust](API_ListenerTlsValidationContextTrust.md) + [Logging](API_Logging.md) + [LoggingFormat](API_LoggingFormat.md) + [MatchRange](API_MatchRange.md) + [MeshData](API_MeshData.md) + [MeshRef](API_MeshRef.md) + [MeshServiceDiscovery](API_MeshServiceDiscovery.md) + [MeshSpec](API_MeshSpec.md) + [MeshStatus](API_MeshStatus.md) + [OutlierDetection](API_OutlierDetection.md) + [PortMapping](API_PortMapping.md) + [QueryParameterMatch](API_QueryParameterMatch.md) + [ResourceMetadata](API_ResourceMetadata.md) + [RouteData](API_RouteData.md) + [RouteRef](API_RouteRef.md) + [RouteSpec](API_RouteSpec.md) + [RouteStatus](API_RouteStatus.md) + [ServiceDiscovery](API_ServiceDiscovery.md) + [SubjectAlternativeNameMatchers](API_SubjectAlternativeNameMatchers.md) + [SubjectAlternativeNames](API_SubjectAlternativeNames.md) + [TagRef](API_TagRef.md) + [TcpRoute](API_TcpRoute.md) + [TcpRouteAction](API_TcpRouteAction.md) + [TcpRouteMatch](API_TcpRouteMatch.md) + [TcpTimeout](API_TcpTimeout.md) + [TlsValidationContext](API_TlsValidationContext.md) + [TlsValidationContextAcmTrust](API_TlsValidationContextAcmTrust.md) + [TlsValidationContextFileTrust](API_TlsValidationContextFileTrust.md) + [TlsValidationContextSdsTrust](API_TlsValidationContextSdsTrust.md) + [TlsValidationContextTrust](API_TlsValidationContextTrust.md) + [VirtualGatewayAccessLog](API_VirtualGatewayAccessLog.md) + [VirtualGatewayBackendDefaults](API_VirtualGatewayBackendDefaults.md) + [VirtualGatewayClientPolicy](API_VirtualGatewayClientPolicy.md) + [VirtualGatewayClientPolicyTls](API_VirtualGatewayClientPolicyTls.md) + [VirtualGatewayClientTlsCertificate](API_VirtualGatewayClientTlsCertificate.md) + [VirtualGatewayConnectionPool](API_VirtualGatewayConnectionPool.md) + [VirtualGatewayData](API_VirtualGatewayData.md) + [VirtualGatewayFileAccessLog](API_VirtualGatewayFileAccessLog.md) + [VirtualGatewayGrpcConnectionPool](API_VirtualGatewayGrpcConnectionPool.md) + [VirtualGatewayHealthCheckPolicy](API_VirtualGatewayHealthCheckPolicy.md) + [VirtualGatewayHttp2ConnectionPool](API_VirtualGatewayHttp2ConnectionPool.md) + [VirtualGatewayHttpConnectionPool](API_VirtualGatewayHttpConnectionPool.md) + [VirtualGatewayListener](API_VirtualGatewayListener.md) + [VirtualGatewayListenerTls](API_VirtualGatewayListenerTls.md) + [VirtualGatewayListenerTlsAcmCertificate](API_VirtualGatewayListenerTlsAcmCertificate.md) + [VirtualGatewayListenerTlsCertificate](API_VirtualGatewayListenerTlsCertificate.md) + [VirtualGatewayListenerTlsFileCertificate](API_VirtualGatewayListenerTlsFileCertificate.md) + [VirtualGatewayListenerTlsSdsCertificate](API_VirtualGatewayListenerTlsSdsCertificate.md) + [VirtualGatewayListenerTlsValidationContext](API_VirtualGatewayListenerTlsValidationContext.md) + [VirtualGatewayListenerTlsValidationContextTrust](API_VirtualGatewayListenerTlsValidationContextTrust.md) + [VirtualGatewayLogging](API_VirtualGatewayLogging.md) + [VirtualGatewayPortMapping](API_VirtualGatewayPortMapping.md) + [VirtualGatewayRef](API_VirtualGatewayRef.md) + [VirtualGatewaySpec](API_VirtualGatewaySpec.md) + [VirtualGatewayStatus](API_VirtualGatewayStatus.md) + [VirtualGatewayTlsValidationContext](API_VirtualGatewayTlsValidationContext.md) + [VirtualGatewayTlsValidationContextAcmTrust](API_VirtualGatewayTlsValidationContextAcmTrust.md) + [VirtualGatewayTlsValidationContextFileTrust](API_VirtualGatewayTlsValidationContextFileTrust.md) + [VirtualGatewayTlsValidationContextSdsTrust](API_VirtualGatewayTlsValidationContextSdsTrust.md) + [VirtualGatewayTlsValidationContextTrust](API_VirtualGatewayTlsValidationContextTrust.md) + [VirtualNodeConnectionPool](API_VirtualNodeConnectionPool.md) + [VirtualNodeData](API_VirtualNodeData.md) + [VirtualNodeGrpcConnectionPool](API_VirtualNodeGrpcConnectionPool.md) + [VirtualNodeHttp2ConnectionPool](API_VirtualNodeHttp2ConnectionPool.md) + [VirtualNodeHttpConnectionPool](API_VirtualNodeHttpConnectionPool.md) + [VirtualNodeRef](API_VirtualNodeRef.md) + [VirtualNodeServiceProvider](API_VirtualNodeServiceProvider.md) + [VirtualNodeSpec](API_VirtualNodeSpec.md) + [VirtualNodeStatus](API_VirtualNodeStatus.md) + [VirtualNodeTcpConnectionPool](API_VirtualNodeTcpConnectionPool.md) + [VirtualRouterData](API_VirtualRouterData.md) + [VirtualRouterListener](API_VirtualRouterListener.md) + [VirtualRouterRef](API_VirtualRouterRef.md) + [VirtualRouterServiceProvider](API_VirtualRouterServiceProvider.md) + [VirtualRouterSpec](API_VirtualRouterSpec.md) + [VirtualRouterStatus](API_VirtualRouterStatus.md) + [VirtualServiceBackend](API_VirtualServiceBackend.md) + [VirtualServiceData](API_VirtualServiceData.md) + [VirtualServiceProvider](API_VirtualServiceProvider.md) + [VirtualServiceRef](API_VirtualServiceRef.md) + [VirtualServiceSpec](API_VirtualServiceSpec.md) + [VirtualServiceStatus](API_VirtualServiceStatus.md) + [WeightedTarget](API_WeightedTarget.md)