> For the complete documentation index, see [llms.txt](https://docs.alkemi.network/earn-contracts/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.alkemi.network/earn-contracts/docs/aggregatorv3interface.md).

# AggregatorV3Interface.sol

View Source: [contracts/AggregatorV3Interface.sol](https://github.com/AlkemiNetwork/alkemi-earn-contracts/tree/ae6d5c01ff8b3810c4005457ac7ce441ab1c7ec5/contracts/AggregatorV3Interface.sol)

### Functions

* decimals()
* description()
* version()
* getRoundData(uint80 \_roundId)
* latestRoundData()

#### decimals

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

**Arguments**

| Name | Type | Description |
| ---- | ---- | ----------- |

#### description

```javascript
function description() external view
returns(string)
```

**Arguments**

| Name | Type | Description |
| ---- | ---- | ----------- |

#### version

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

**Arguments**

| Name | Type | Description |
| ---- | ---- | ----------- |

#### getRoundData

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

**Arguments**

| Name      | Type   | Description |
| --------- | ------ | ----------- |
| \_roundId | uint80 |             |

#### latestRoundData

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

**Arguments**

| Name | Type | Description |
| ---- | ---- | ----------- |