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   Use the Key Flexfield Segments window to define your flexfield structure and segments and specify Yes in the Cross-Validate Multiple Segments field for your flexfield structure.

   Define your values.

   To define cross-validation rules:

1. Select the name and structure of your key flexfield for which you wish to define cross-validation rules. Your list only contains structures with the field Cross-Validate Multiple Segments set to Yes on the Key Flexfield Segments window.

2. Enter a unique name and a description for your cross-validation rule.

3. Enter your error message text for this cross-validation rule.

Your flexfield automatically displays this error message on the message line whenever a new combination of segment values violates your cross-validation rule. You should make your error messages as specific as possible so that your users can correct any errors easily.

4. Enter the name of the segment most likely to have caused this cross-validation rule to fail. Your flexfield leaves the cursor in this segment whenever a new segment combination violates this cross-validation rule to indicate where your user can probably correct the error. If you do not specify an error segment name, your flexfield leaves the cursor in the first segment of the flexfield window following a violation of this rule.

5. If you want to have the rule effective for a limited time, you can enter a start date and/or an end date for the rule. The rule is valid for the time including the From and To dates.

6. Define the cross-validation rule elements that make up your rule. See: Defining Cross-validation Rule Elements.

7. Save your changes.

See Also

How Cross-Validation Works

Designing Your Cross-Validation Rules

Maintaining Your Cross-Validation Rules and Valid Combinations

Reports

Cross-Validation Rules Window