# 12. Demo of SDK Calling

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1. sdk.connectZecreyWallet: access to user account information via in-browser wallet extension

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2. sdk.getAccountByAccountName: find user accounts by username and get information such as user avatars.
3. sdk.getAccountNFTs: find NFTs by user accounts.
4. client.mintNft: create NFTs for users.
5. display NFT in the marketplace

### Game demo demonstrating NFT minting:

* Enter the [demo site](https://zecrey-legend-game-demo-95m2.vercel.app/)

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* Unconnected status

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* Click "Connect Wallet" and select a wallet extension to connect.

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* Legend is an L2 built on BNB Chain. Switch to Binance test network to proceed.

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* Sign the request to connect to the wallet address.

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* First-time users will be required to register a Legend L2 account associated with the L1 address. The Legend account name is in the form of a human-readable short name domain ending with ".zec".

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* Confirm the registration to create a Legend account.

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* After connecting to a Legend account, the status of the user's NFT assets will be retrieved and updated automatically.

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* In this demo, the user can walk around and open the treasure boxes. Every time a box is opened, an NFT will be minted as an in-game item.

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* An NFT is successfully created and added to the user's assets. The user can check it in the Zecrey NFT marketplace.

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* View the NFT in Zecrey web app marketplace.

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* View the NFT in Zecrey mobile marketplace.

![](https://1457958107-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Mi5I1igl7xw1xqlPHEA%2Fuploads%2FgY3dEexhU2tkVFN6UWhE%2Fimage.png?alt=media\&token=d8de55b1-52d2-4f58-a41a-8549d3714686)