# NonfungibleTokenPositionDescriptor

Produces a string containing the data URI for a JSON metadata string

### Functions[​](https://docs.uniswap.org/contracts/v3/reference/periphery/NonfungibleTokenPositionDescriptor#functions) <a href="#functions" id="functions"></a>

#### constructor[​](https://docs.uniswap.org/contracts/v3/reference/periphery/NonfungibleTokenPositionDescriptor#constructor) <a href="#constructor" id="constructor"></a>

```solidity
  function constructor(
  ) public
```

#### tokenURI[​](https://docs.uniswap.org/contracts/v3/reference/periphery/NonfungibleTokenPositionDescriptor#tokenuri) <a href="#tokenuri" id="tokenuri"></a>

```solidity
  function tokenURI(
    contract INonfungiblePositionManager positionManager,
    uint256 tokenId
  ) external returns (string)
```

Produces the URI describing a particular token ID for a position manager

Note this URI may be a data: URI with the JSON contents directly inlined

**Parameters:**[**​**](https://docs.uniswap.org/contracts/v3/reference/periphery/NonfungibleTokenPositionDescriptor#parameters)

| Name              | Type                                 | Description                                                                    |
| ----------------- | ------------------------------------ | ------------------------------------------------------------------------------ |
| `positionManager` | contract INonfungiblePositionManager | The position manager for which to describe the token                           |
| `tokenId`         | uint256                              | The ID of the token for which to produce a description, which may not be valid |

**Return Values:**[**​**](https://docs.uniswap.org/contracts/v3/reference/periphery/NonfungibleTokenPositionDescriptor#return-values)

| Name  | Type                                 | Description                          |
| ----- | ------------------------------------ | ------------------------------------ |
| `The` | contract INonfungiblePositionManager | URI of the ERC721-compliant metadata |

#### flipRatio[​](https://docs.uniswap.org/contracts/v3/reference/periphery/NonfungibleTokenPositionDescriptor#flipratio) <a href="#flipratio" id="flipratio"></a>

```solidity
  function flipRatio(
  ) public returns (bool)
```

#### tokenRatioPriority[​](https://docs.uniswap.org/contracts/v3/reference/periphery/NonfungibleTokenPositionDescriptor#tokenratiopriority) <a href="#tokenratiopriority" id="tokenratiopriority"></a>

```solidity
  function tokenRatioPriority(
  ) public returns (int256)
```