Map a special value
Map a special value when you want to format uncommon, boolean, or empty values.
Before you begin
To map a special value:
- Edit the panel for which you want to map a special value.
- In panel display options, locate the Value mappings section and click Add value mappings.
- Click Add a new mapping and then select Special.
- Select the special value for Grafana to match. Options include:
- Null
- NaN (Not a Number)
- Null + NaN
- True
- False
- Empty
- (Optional) Enter display text.
- (Optional) Set the color.
- Click Update to save the value mapping.