This blog post provide a guide how you can add custom network in Metamask Wallet and how you can see your new custom network token with an example of Stratis new Token. As Stratis EVM is live recently now the Strax token holder who has already swapped their tokens through on chain can follow this blog post to check and confirm their new Stratis Token in the Metamask Wallet.
Firstly open your MetaMask wallet and follow below steps.
Step 1- Add network
Click on Ethrerum Mainnet as depicted below.

Then click on Add Network

Step 2– After that click on Add Network manually

Step 3 – Provide the below Stratis Network details for custom network setup in MetaMask wallet.
Network Name: Stratis
RPC URL: https://rpc.stratisevm.com
Chain ID: 105105
Symbol: STRAX
Explorer:https://explorer.stratisevm.com

Step 4 – Then switch to New network that you have just added i.e. Stratis Netwrok

Once you switched to Stratis Network your STRAX Token will be visible as illustrated below.

Now you can see your new Stratis token in MetaMask wallet. Cheers!!