grafana/docs/sources/panels/format-data/map-a-special-value.md
Jack Baldry 51dfcd7d37
Add current alias to all files (#48635)
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Signed-off-by: Jack Baldry <jack.baldry@grafana.com>

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Signed-off-by: Jack Baldry <jack.baldry@grafana.com>
2022-05-17 08:24:11 -07:00

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+++ aliases = ["/docs/grafana/latest/panels/format-data/map-a-special-value/", "/docs/sources/panels/format-data/map-a-special-value/"] title = "Map a special value" weight = 50 +++

Map a special value

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

Before you begin

  • [Add a panel to a dashboard]({{< relref "../working-with-panels/add-panel.md" >}}).

To map a special value:

  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