If you wish to add a new address to your eWallet, go to My Wallet and click on My Addresses.

You will see the list of all addresses you have saved under your account. If you wish to add another one, just click on Add a new account.

For security reasons, you will be asked to enter your PIN in order to proceed.

After you've confirmed your action with a PIN, you will be able to add a new account. 

If the account name is wrong, you will receive an error message.

Once you've entered the correct name, your new account will be saved.