#. Go to **Sales > Sales > Contracts** and edit or create a contract.
#. You will see a box ready to write a signature by your customer.
#. Save Contract.
#. Every time you modify signature, a message is saved in chatter to log any
   changes on it.
#. You can clear signature in any moment by clicking on the **Clear** link
   located on the top right side of signature box.
#. If you print the Contract, signature was added to contact report.