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# Variables

## Docs

- [holoscan::condition_default_name_v](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/conditiondefaultnamev.md): Helper template variable for easier access to condition default names (C++17).
- [holoscan::console_output_mutex](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/consoleoutputmutex.md): 
- [holoscan::DEFAULT_FIFOMUTEX_WAIT_TIME_MS](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/defaultfifomutexwaittimems.md): 
- [holoscan::dimension_of_v](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/dimensionofv.md): 
- [holoscan::g_async_logger_shutdown_in_progress](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/gasyncloggershutdowninprogress.md): Global flag indicating that an async logger shutdown is in progress.
- [holoscan::HOLOSCAN_DLPACK_IMPL_VERSION_MAJOR](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/holoscandlpackimplversionmajor.md): 
- [holoscan::HOLOSCAN_DLPACK_IMPL_VERSION_MINOR](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/holoscandlpackimplversionminor.md): 
- [holoscan::kAnalyticsOutputFileName](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/kanalyticsoutputfilename.md): 
- [holoscan::kDefaultCpuMetrics](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/kdefaultcpumetrics.md): 
- [holoscan::kDefaultGpuMetrics](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/kdefaultgpumetrics.md): 
- [holoscan::kDefaultLatencyThreshold](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/kdefaultlatencythreshold.md): 
- [holoscan::kDefaultLogfileName](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/kdefaultlogfilename.md): 
- [holoscan::kDefaultMetadataEnabled](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/kdefaultmetadataenabled.md): 
- [holoscan::kDefaultMetadataPolicy](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/kdefaultmetadatapolicy.md): 
- [holoscan::kDefaultNumBufferedMessages](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/kdefaultnumbufferedmessages.md): 
- [holoscan::kDefaultNumLastMessagesToDiscard](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/kdefaultnumlastmessagestodiscard.md): 
- [holoscan::kDefaultNumStartMessagesToSkip](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/kdefaultnumstartmessagestoskip.md): 
- [holoscan::kDefaultSerializationBufferSize](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/kdefaultserializationbuffersize.md): 
- [holoscan::kDefaultTCPIPSegmentSize](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/kdefaulttcpipsegmentsize.md): The default TCP/IP segment size used by UCX.
- [holoscan::kDefaultUcxPort](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/kdefaultucxport.md): 
- [holoscan::kDefaultUcxSerializationBufferSize](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/kdefaultucxserializationbuffersize.md): The default size of the serialization buffer in bytes.
- [holoscan::kNoReceivedMessage](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/knoreceivedmessage.md): 
- [holoscan::kStartOperatorName](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/kstartoperatorname.md): The name of the start operator. Used to identify the start operator in the graph.
- [holoscan::metricToString](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/metrictostring.md): 
- [holoscan::network_context_default_name_v](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/networkcontextdefaultnamev.md): Helper template variable for easier access to network context default names (C++17).
- [holoscan::operator_default_name_v](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/operatordefaultnamev.md): Helper template variable for easier access to operator default names (C++17).
- [holoscan::resource_default_name_v](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/resourcedefaultnamev.md): Helper template variable for easier access to resource default names (C++17).
- [holoscan::scheduler_default_name_v](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/schedulerdefaultnamev.md): Helper template variable for easier access to scheduler default names (C++17).
- [holoscan::unexpect](https://docs.nvidia.com/holoscan/sdk-user-guide/4-4/api-reference/holoscan/variables/unexpect.md):