# treeLabelField

Display label field in a parent-ID tree. Defaults to the ID when omitted.

Canonical: https://grid.syidax.com/docs/options/treeLabelField/

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## What does this API do?

Display label field in a parent-ID tree. Defaults to the ID when omitted.

API for Pro features: Tree data

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## Exact input and result types

```typescript
treeLabelField: string
```

| Item | Value |
| --- | --- |
| JavaScript name | treeLabelField |
| HTML attribute | tree-label-field |
| Default | undefined |
| Input type | string |

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## Usage flow

Set this on a property of the Grid element. In HTML, you can also use the tree-label-field attribute. Pass arrays, objects, and callbacks through JavaScript, and use new arrays or objects when applying changes.

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## Feature explanations and examples

- [Tree data](https://grid.syidax.com/docs/features/tree-data.md) — Trees display parent-child data, such as folders or organizations, with indentation and expansion controls. Unlike grouping equal values, the parent relationship already exists in the data.