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grafana/docs/sources/panels/format-data/edit-value-mapping.md
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---
aliases:
- /docs/sources/panels/format-data/edit-value-mapping/
title: Edit a value mapping
weight: 60
---
# Edit a value mapping
You can change a value mapping at any time.
## Before you begin
- [Add a panel to a dashboard]({{< relref "../working-with-panels/add-panel.md" >}}).
- Ensure you have an existing value mapping to edit.
**To edit a value mapping**:
1. Edit the panel that contains the value mapping you want to edit.
1. In the panel display options, in the **Value mappings** section, click **Edit value mappings**.
1. Make the changes and click **Update**.