Use the Define Security Rules window to define your flexfield security rules. See: Defining Security Rules.
Navigate to Assign Security Rules window.
In the Assign Security Rules block, identify the value set to which your values belong. You can identify your value set or by the flexfield segment or concurrent program parameter that uses the value set.
In the Security Rules block, enter the application and responsibility name that uniquely identifies the responsibility to which you want to assign security rules.
Enter the name of a security rule you want to assign to this responsibility.
Save your changes.