+++
# -----------------------------------------------------------------------
# Do not edit this file. It is automatically generated by API Documenter.
# -----------------------------------------------------------------------
title = "FieldMatcher"
keywords = ["grafana","documentation","sdk","@grafana/data"]
type = "docs"
+++
## FieldMatcher type
### FieldMatcher type
Signature
```typescript
export declare type FieldMatcher = (field: Field) => boolean;
```
Import
```typescript
import { FieldMatcher } from '@grafana/data';
```