On this pageIERC721Enumerable Git Source Inherits: IERC721 See https://eips.ethereum.org/EIPS/eip-721 Note: the ERC-165 identifier for this interface is 0x780e9d63. Functions totalSupply Count NFTs tracked by this contract function totalSupply() external view returns (uint256); Returns NameTypeDescription<none>uint256A count of valid NFTs tracked by this contract, where each one of them has an assigned and queryable owner not equal to the zero address tokenByIndex Enumerate valid NFTs Throws if _index >= totalSupply(). function tokenByIndex(uint256 _index) external view returns (uint256); Parameters NameTypeDescription_indexuint256A counter less than totalSupply() Returns NameTypeDescription<none>uint256The token identifier for the _indexth NFT, (sort order not specified) tokenOfOwnerByIndex Enumerate NFTs assigned to an owner Throws if _index >= balanceOf(_owner) or if _owner is the zero address, representing invalid NFTs. function tokenOfOwnerByIndex(address _owner, uint256 _index) external view returns (uint256); Parameters NameTypeDescription_owneraddressAn address where we are interested in NFTs owned by them_indexuint256A counter less than balanceOf(_owner) Returns NameTypeDescription<none>uint256The token identifier for the _indexth NFT assigned to _owner, (sort order not specified)