# AggregatorV2V3Interface v0.2.1 API Reference
Source: https://docs.chain.link/chainlink-local/api-reference/v0.2.1/aggregator-v2-v3-interface

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

<Common callout="importPackage021" />

## AggregatorV2V3Interface

[`AggregatorV2V3Interface`](https://github.com/smartcontractkit/chainlink-local/blob/ba1f4636e657f161df634379a5057a5a394e2fbb/src/data-feeds/interfaces/AggregatorV2V3Interface.sol) combines the functionality of both AggregatorInterface and AggregatorV3Interface, providing backward compatibility while supporting newer Data Feed features.

> **NOTE**
>
> This interface inherits from both:

- AggregatorInterface: Basic price feed functionality
- AggregatorV3Interface: Extended Data Feed capabilities

## Interface Inheritance

```solidity
interface AggregatorV2V3Interface is AggregatorInterface, AggregatorV3Interface {}
```

This interface provides access to all functions and events from both parent interfaces.