.. _exhale_variable_span__metadata_8h_1a4186633e71de5cb5a43ecf74493379c3:

Variable opentelemetry::trace::kSpanKey
=======================================

- Defined in :ref:`file__opt_build_repo_api_include_opentelemetry_trace_span_metadata.h`


Variable Documentation
----------------------


.. doxygenvariable:: opentelemetry::trace::kSpanKey
   :project: OpenTelemetry C++