This section explains all available field options. They are listed in alphabetical order.
You can apply standard field options to most built-in Grafana panels. Some older panels and community panels that have not updated to the new panel and data model will be missing either all or some of these field options.
Most field options will not affect the visualization until you click outside of the field option box you are editing or press Enter.
For more information about applying these options, refer to:
- [Configure all fields]({{< relref "configure-all-fields.md" >}})
- [Configure specific fields]({{< relref "configure-specific-fields.md" >}})
## Decimals
Number of decimals to render value with. Leave empty for Grafana to use the number of decimals provided by the data source.
To change this setting, type a number in the field and then click outside the field or press Enter.
## Data links
Lets you control the URL to which a value or visualization link.
For more information and instructions, refer to [Data links]({{< relref "../../linking/data-links.md" >}}).
When multiple stats, fields, or series are shown, this field controls the title in each stat. You can use expressions like `${__field.name}` to use only the series name or the field name in title.
Given a field with a name of Temp, and labels of {"Loc"="PBI", "Sensor"="3"}
| Expression syntax | Example | Renders to | Explanation |
| `${__field.displayName}` | Same as syntax | `Temp {Loc="PBI", Sensor="3"}` | Displays the field name, and labels in `{}` if they are present. If there is only one label key in the response, then for the label portion, Grafana displays the value of the label without the enclosing braces. |
| `${__field.name}` | Same as syntax | `Temp` | Displays the name of the field (without labels). |
| `${__field.labels}` | Same as syntax | `Loc="PBI", Sensor="3"` | Displays the labels without the name. |
| `${__field.labels.X}` | `${__field.labels.Loc}` | `PBI` | Displays the value of the specified label key. |
| `${__field.labels.__values}` | Same as Syntax | `PBI, 3` | Displays the values of the labels separated by a comma (without label keys). |
If the value is an empty string after rendering the expression for a particular field, then the default display method is used.
## Max
Lets you set the maximum value used in percentage threshold calculations. Leave blank for auto calculation based on all series and fields
## Min
Lets you set the minimum value used in percentage threshold calculations. Leave blank for auto calculation based on all series and fields
## No value
Enter what Grafana should display if the field value is empty or null.
## Unit
Lets you choose what unit a field should use. Click in the **Unit** field, then drill down until you find the unit you want. The unit you select is applied to all fields except time.
### Custom units
You can use the unit dropdown to also specify custom units, custom prefix or suffix and date time formats.
To select a custom unit enter the unit and select the last `Custom: xxx` option in the dropdown.
- If y u want a space -> If you want a space
-`suffix:<suffix>` for custom unit that should go after value.
-`time:<format>` For custom date time formats type for example `time:YYYY-MM-DD`. See [formats](https://momentjs.com/docs/#/displaying/) for the format syntax and options.
-`si:<base scale><unit characters>` for custom SI units. For example: `si: mF`. This one is a bit more advanced as you can specify both a unit and the
source data scale. So if your source data is represented as milli (thousands of) something prefix the unit with that
SI scale character.
-`count:<unit>` for a custom count unit.
-`currency:<unit>` for custom a currency unit.
You can also paste a native emoji in the unit picker and pick it as a custom unit:
{{<docs-imageboximg="/img/docs/v66/custom_unit_burger2.png"max-width="600px"caption="Custom unit emoji">}}
### String units
Grafana can sometime be too aggressive in parsing strings and displaying them as numbers. To make Grafana show the original string create a field override and add a unit property with the `string` unit.
## Thresholds
Thresholds allow you to change the color of a field based on the value.
For more information and instructions, refer to [Thresholds]({{< relref "../thresholds.md" >}}).
## Value mapping
Lets you set rules that translate a field value or range of values into explicit text. You can add more than one value mapping.
- **Mapping type -** Click an option.
- **Value -** Enter a value. If the field value is greater than or equal to the value, then the **Text** is displayed.
- **From** and **To -** Enter a range. If the field value is between or equal to the values in the range, then the **Text** is displayed.
- **Text -** Text that is displayed if the conditions are met in a field. This field accepts variables.
