1. Go to the SELL&SIGN login page
2. Log in with your username and password and click on "Sign in"
3. In the Parameters section, "DASHBOARD" tab, click on the "Add" button to create a new column or on the "pen icon" on the right to edit an existing column.

4. Fill in the name of the column, and choose its type (text, flag or calendar) and click on "Validate"

5. Click on the "CONTRACTS" tab to return to the dashboard of SELL&SIGN contracts. The new column is automatically placed at the end of the table. It is then possible to move the editable columns between them.