To withdraw funds, you must login to your Wahed account and simply follow the instructions.
This a step-by-step guide:
Click on Funding > Withdraw Funds > Fill the amount you wish to withdraw > Select the bank linked to the Wahed account (if don't have a linked account, add/link the bank you like to receive the funds in).
You will then receive an email asking you to confirm the transaction. Please make sure you click on the link to ensure that your withdrawal gets processed.