+++
# -----------------------------------------------------------------------
# Do not edit this file. It is automatically generated by API Documenter.
# -----------------------------------------------------------------------
title = "validateFieldConfig"
keywords = ["grafana","documentation","sdk","@grafana/data"]
type = "docs"
+++
## validateFieldConfig() function
### validateFieldConfig() function
This checks that all options on FieldConfig make sense. It mutates any value that needs fixed. In particular this makes sure that the first threshold value is -Infinity (not valid in JSON)
Signature
```typescript
export declare function validateFieldConfig(config: FieldConfig): void;
```
Import
```typescript
import { validateFieldConfig } from '@grafana/data';
```
Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| config | FieldConfig
| |
Returns:
`void`