# AggregatorV2V3Interface v0.2.3 API Reference
Source: https://docs.chain.link/chainlink-local/api-reference/v0.2.3/aggregator-v2-v3-interface

> For the complete documentation index, see [llms.txt](/llms.txt).

> **NOTE: Integrate Chainlink Local into your project**
>
> ### npm
>
> If you use [NPM](https://www.npmjs.com/), install the [@chainlink/local NPM
> package](https://www.npmjs.com/package/@chainlink/local):
>
> ```shell
> npm install @chainlink/local@0.2.3
> ```
>
> ### yarn
>
> If you use [Yarn](https://yarnpkg.com/), install the [@chainlink/local NPM
> package](https://www.npmjs.com/package/@chainlink/local):
>
> ```shell
> yarn add @chainlink/local@0.2.3
> ```
>
> ### foundry
>
> If you use [Foundry](https://book.getfoundry.sh/):
>
> ```shell
> forge install smartcontractkit/chainlink-local@7d8b2f888e1f10c8841ccd9e0f4af0f5baf11dab
> ```
>
> and then set remappings to: `@chainlink/local/=lib/chainlink-local/` in either `remappings.txt` or `foundry.toml` file
>
> ### RemixIDE
>
> Import the `CCIPLocalSimulator` contract from the `@chainlink/local` package:
>
> ```solidity
> import {CCIPLocalSimulator} from "@chainlink/local@0.2.3/src/ccip/CCIPLocalSimulator.sol";
> ```

## AggregatorV2V3Interface

Interface that combines functionality from both AggregatorInterface and AggregatorV3Interface.

[`AggregatorV2V3Interface`](https://github.com/smartcontractkit/chainlink-local/blob/7d8b2f888e1f10c8841ccd9e0f4af0f5baf11dab/src/data-feeds/interfaces/AggregatorV2V3Interface.sol)

> **NOTE**
>
> This interface inherits from:
>
> - [AggregatorInterface](/chainlink-local/api-reference/v0.2.3/aggregator-interface)
> - [AggregatorV3Interface](/chainlink-local/api-reference/v0.2.3/aggregator-v3-interface)