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* combines topics into add and organize panels topic * updates front matter * fixes relrefs * fixes typo * Update docs/sources/dashboards/add-organize-panels.md Co-authored-by: Torkel Ödegaard <torkel@grafana.com> * Update docs/sources/dashboards/add-organize-panels.md Co-authored-by: Torkel Ödegaard <torkel@grafana.com> * make prettier Co-authored-by: Torkel Ödegaard <torkel@grafana.com>
23 lines
849 B
Markdown
23 lines
849 B
Markdown
---
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aliases:
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- /docs/grafana/latest/panels/query-a-data-source/use-expressions-to-manipulate-data/write-an-expression/
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- /docs/sources/panels/query-a-data-source/use-expressions-to-manipulate-data/write-an-expression/
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title: Write an expression
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weight: 20
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---
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# Write an expression
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If your data source supports them, then Grafana displays the **Expression** button and shows any existing expressions in the query editor list.
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For more information about expressions, refer to [About expressions]({{< relref "about-expressions/" >}}).
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1. Open the panel.
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1. Below the query, click **Expression**.
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1. In the **Operation** field, select the type of expression you want to write.
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For more information about expression operations, refer to [About expressions]({{< relref "about-expressions/" >}}).
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1. Write the expression.
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1. Click **Apply**.
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