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* Add aliases to all files Signed-off-by: Jack Baldry <jack.baldry@grafana.com> * Prettify front matter Signed-off-by: Jack Baldry <jack.baldry@grafana.com>
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+++ aliases = ["/docs/grafana/latest/panels/override-field-values/add-a-field-override/", "/docs/sources/panels/override-field-values/add-a-field-override/"] title = "Add a field override" weight = 30 +++
Add a field override
You can override a field when you want to change the display of the value in the visualization.
Before you begin
- [Add a panel to a dashboard]({{< relref "../working-with-panels/add-panel.md" >}}).
To add a field override:
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Edit the panel to which you want to add an override.
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In the panel display options, in the Overrides section, click Add field override.
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Select which fields an override rule will be applied to:
- Fields with name - Select a field from the list of all available fields. Properties you add to a rule with this selector are only applied to this single field.
- Fields with name matching regex - Specify fields to override with a regular expression. Properties you add to a rule with this selector are applied to all fields where the field name match the regex.
- Fields with type - Select fields by type, such as string, numeric, and so on. Properties you add to a rule with this selector are applied to all fields that match the selected type.
- Fields returned by query - Select all fields returned by a specific query, such as A, B, or C. Properties you add to a rule with this selector are applied to all fields returned by the selected query.
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Click Add override property.
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Select the field option that you want to apply.
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Enter options by adding values in the fields. To return options to default values, delete the white text in the fields.
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Continue to add overrides to this field by clicking Add override property, or you can click Add override and select a different field to add overrides to.
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When finished, click Save to save all panel edits to the dashboard.