> For the complete documentation index, see [llms.txt](https://docs.fringe.fi/v2-smart-contract-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.fringe.fi/v2-smart-contract-documentation/priceoracle/priceproviders/chainlink/aggregatorv3interface.md).

# AggregatorV3Interface

## Overview

#### License: MIT

```solidity
interface AggregatorV3Interface
```

## Functions info

### decimals (0x313ce567)

```solidity
function decimals() external view returns (uint8)
```

### description (0x7284e416)

```solidity
function description() external view returns (string memory)
```

### version (0x54fd4d50)

```solidity
function version() external view returns (uint256)
```

### getRoundData (0x9a6fc8f5)

```solidity
function getRoundData(
    uint80 _roundId
)
    external
    view
    returns (
        uint80 roundId,
        int256 answer,
        uint256 startedAt,
        uint256 updatedAt,
        uint80 answeredInRound
    )
```

### latestRoundData (0xfeaf968c)

```solidity
function latestRoundData()
    external
    view
    returns (
        uint80 roundId,
        int256 answer,
        uint256 startedAt,
        uint256 updatedAt,
        uint80 answeredInRound
    )
```

### latestAnswer (0x50d25bcd)

```solidity
function latestAnswer() external view returns (uint256 answer)
```