+++
# -----------------------------------------------------------------------
# Do not edit this file. It is automatically generated by API Documenter.
# -----------------------------------------------------------------------
title = "ConstantVector"
keywords = ["grafana","documentation","sdk","@grafana/data"]
type = "docs"
+++
## ConstantVector class
Signature
```typescript
export declare class ConstantVector implements Vector
```
Import
```typescript
import { ConstantVector } from '@grafana/data';
```
Constructors
| Constructor | Modifiers | Description |
| --- | --- | --- |
| [constructor(value, len)](#constructor-valuelen) | | Constructs a new instance of the ConstantVector class |
Properties
| Property | Modifiers | Type | Description |
| --- | --- | --- | --- |
| [length](#length-property) | | number | |
Methods
| Method | Modifiers | Description |
| --- | --- | --- |
| [get(index)](#get-method) | | |
| [toArray()](#toarray-method) | | |
| [toJSON()](#tojson-method) | | |
### constructor(value, len)
Constructs a new instance of the `ConstantVector` class
Signature
```typescript
constructor(value: T, len: number);
```
Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| value | T | |
| len | number | |
### length property
Signature
```typescript
get length(): number;
```
### get method
Signature
```typescript
get(index: number): T;
```
Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| index | number | |
Returns:
`T`
### toArray method
Signature
```typescript
toArray(): T[];
```
Returns:
`T[]`
### toJSON method
Signature
```typescript
toJSON(): T[];
```
Returns:
`T[]`