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List TraceQL tag values

GET 
/v1/api/instance/:instance/traces/traceql/tags/:tagName/values

Lists the values of one attribute. The response is in the Tempo tag values format. Use the scope-qualified name, for example resource.service.name, span.http.route or the intrinsic name. Percent-encode the name in the path.

The list comes from the spans of the last hour. start and end are accepted for Tempo compatibility. They have no effect at this time.

Required role: Viewer, Editor, or Admin

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