FBS Data and DocuSign have partnered to provide flexmls Forms customers with the power of DocuSign. With this partnership, you will have the ability to send your real estate forms for electronic signature right through the flexmls Forms system. Your customers will now get to review and sign their contracts using DocuSign and you’ll be able to monitor and update the status of the transaction right through your flexmls Forms folders, saving you both time and money while providing a better transaction experience to your customers. Flexmls Forms. Getting to closed faster.