If you have an existing many-to-many relationship in your database, you can turn it into a virtual many-to-many field.
![Employees, Territories, and EmployeeTerritories many-to-many relationship Employees, Territories, and EmployeeTerritories many-to-many relationship](/blog/2012/04/feature-many-to-many-fields/image02.png)
When you edit the record, you will see a check box list of all territories. Those linked to the employee are checked.
![When you edit the record, you will see a check box list of all territories. Those linked to the employee are checked. When you edit the record, you will see a check box list of all territories. Those linked to the employee are checked.](/blog/2012/04/feature-many-to-many-fields/image04.png)
The field will display a comma-separated list of territories linked to the employee when presented in read mode.
![The field will display a comma-separated list of territories linked to the employee when presented in 'read' mode. The field will display a comma-separated list of territories linked to the employee when presented in 'read' mode.](/blog/2012/04/feature-many-to-many-fields/image06.png)
Learn how to configure a virtual field based on an existing many-to-many relationship.