SECURITY RULESecurity Rule for R12 is defined to restrict the access of the user to certain segment values when used according to its Applications and Responsibility wise . Segment value security rules can work alone or with data access set security that secures data in ledgers, balancing segment values, or management segment values.
General Ledger Super User --> Financials--> Key-->Segments.
Step 2: Uncheck the check box Freeze Flex field Definition , Go to Segments , Open the Segment Value, Check the check box Security Enabled.
Step 3: Navigate to Define Security Rules window.
General Ledger Super User --> Financials--> Key-->Security-->Define
Choose the Value set Option.
Step 4: In the Security Rule Elements block,select from
Two Security Types in the Security Rule.
Include The range of values that falls under the security rules criteria.
Exclude The range of values that doesn't falls under the security rules criteria.
Enter the low (From) and high (To) ends of this value range.
Step 5: Go to Assign Tab in order to assign to the specific Application and Responsibility.