+++
# -----------------------------------------------------------------------
# Do not edit this file. It is automatically generated by API Documenter.
# -----------------------------------------------------------------------
title = "FieldCache"
keywords = ["grafana","documentation","sdk","@grafana/data"]
type = "docs"
+++
## FieldCache class
Signature
```typescript
export declare class FieldCache
```
Import
```typescript
import { FieldCache } from '@grafana/data';
```
Constructors
| Constructor | Modifiers | Description |
| --- | --- | --- |
| [constructor(data)](#constructor-data) | | Constructs a new instance of the FieldCache
class |
Properties
| Property | Modifiers | Type | Description |
| --- | --- | --- | --- |
| [fields](#fields-property) | | FieldWithIndex[]
| |
Methods
| Method | Modifiers | Description |
| --- | --- | --- |
| [getFieldByName(name)](#getfieldbyname-method) | | Returns the first field with the given name. |
| [getFields(type)](#getfields-method) | | |
| [getFirstFieldOfType(type, includeHidden)](#getfirstfieldoftype-method) | | |
| [hasFieldNamed(name)](#hasfieldnamed-method) | | |
| [hasFieldOfType(type)](#hasfieldoftype-method) | | |
| [hasFieldWithNameAndType(name, type)](#hasfieldwithnameandtype-method) | | |
### constructor(data)
Constructs a new instance of the `FieldCache` class
Signature
```typescript
constructor(data: DataFrame);
```
Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| data | DataFrame
| |
### fields property
Signature
```typescript
fields: FieldWithIndex[];
```
### getFieldByName method
Returns the first field with the given name.
Signature
```typescript
getFieldByName(name: string): FieldWithIndex | undefined;
```
Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| name | string
| |
Returns:
`FieldWithIndex | undefined`
### getFields method
Signature
```typescript
getFields(type?: FieldType): FieldWithIndex[];
```
Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| type | FieldType
| |
Returns:
`FieldWithIndex[]`
### getFirstFieldOfType method
Signature
```typescript
getFirstFieldOfType(type: FieldType, includeHidden?: boolean): FieldWithIndex | undefined;
```
Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| type | FieldType
| |
| includeHidden | boolean
| |
Returns:
`FieldWithIndex | undefined`
### hasFieldNamed method
Signature
```typescript
hasFieldNamed(name: string): boolean;
```
Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| name | string
| |
Returns:
`boolean`
### hasFieldOfType method
Signature
```typescript
hasFieldOfType(type: FieldType): boolean;
```
Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| type | FieldType
| |
Returns:
`boolean`
### hasFieldWithNameAndType method
Signature
```typescript
hasFieldWithNameAndType(name: string, type: FieldType): boolean;
```
Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| name | string
| |
| type | FieldType
| |
Returns:
`boolean`