# IERC721

*Developer note: Required interface of an ERC721 compliant contract.*

## Events

### Transfer

`Transfer(address,address,uint256)`

| Name    | Type    | Description |
| ------- | ------- | ----------- |
| from    | address |             |
| to      | address |             |
| tokenId | uint256 |             |

### Approval

`Approval(address,address,uint256)`

| Name     | Type    | Description |
| -------- | ------- | ----------- |
| owner    | address |             |
| approved | address |             |
| tokenId  | uint256 |             |

### ApprovalForAll

`ApprovalForAll(address,address,bool)`

| Name     | Type    | Description |
| -------- | ------- | ----------- |
| owner    | address |             |
| operator | address |             |
| approved | bool    |             |

## Functions

### balanceOf

`balanceOf(address)` view external

| Name  | Type    | Description |
| ----- | ------- | ----------- |
| owner | address |             |

**Returns:**

| Name    | Type    | Description |
| ------- | ------- | ----------- |
| balance | uint256 |             |

### ownerOf

`ownerOf(uint256)` view external

| Name    | Type    | Description |
| ------- | ------- | ----------- |
| tokenId | uint256 |             |

**Returns:**

| Name  | Type    | Description |
| ----- | ------- | ----------- |
| owner | address |             |

### safeTransferFrom

`safeTransferFrom(address,address,uint256)` external

| Name    | Type    | Description |
| ------- | ------- | ----------- |
| from    | address |             |
| to      | address |             |
| tokenId | uint256 |             |

### transferFrom

`transferFrom(address,address,uint256)` external

| Name    | Type    | Description |
| ------- | ------- | ----------- |
| from    | address |             |
| to      | address |             |
| tokenId | uint256 |             |

### approve

`approve(address,uint256)` external

| Name    | Type    | Description |
| ------- | ------- | ----------- |
| to      | address |             |
| tokenId | uint256 |             |

### getApproved

`getApproved(uint256)` view external

| Name    | Type    | Description |
| ------- | ------- | ----------- |
| tokenId | uint256 |             |

**Returns:**

| Name     | Type    | Description |
| -------- | ------- | ----------- |
| operator | address |             |

### setApprovalForAll

`setApprovalForAll(address,bool)` external

| Name       | Type    | Description |
| ---------- | ------- | ----------- |
| operator   | address |             |
| \_approved | bool    |             |

### isApprovedForAll

`isApprovedForAll(address,address)` view external

| Name     | Type    | Description |
| -------- | ------- | ----------- |
| owner    | address |             |
| operator | address |             |

**Returns:**

| Name | Type | Description |
| ---- | ---- | ----------- |
| \[0] | bool |             |

### safeTransferFrom

`safeTransferFrom(address,address,uint256,bytes)` external

| Name    | Type    | Description |
| ------- | ------- | ----------- |
| from    | address |             |
| to      | address |             |
| tokenId | uint256 |             |
| data    | bytes   |             |

***