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The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.
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grafana/docs/sources/panels/format-data/map-a-special-value.md

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[/docs/grafana/latest/panels/format-data/map-a-special-value/ /docs/sources/panels/format-data/map-a-special-value/] Map a special value 50

Map a special value

Map a special value when you want to format uncommon, boolean, or empty values.

  1. Edit the panel for which you want to map a special value.
  2. In panel display options, locate the Value mappings section and click Add value mappings.
  3. Click Add a new mapping and then select Special.
  4. Select the special value for Grafana to match. Options include:
    • Null
    • NaN (Not a Number)
    • Null + NaN
    • True
    • False
    • Empty
  5. (Optional) Enter display text.
  6. (Optional) Set the color.
  7. Click Update to save the value mapping.

Map a value