Keywords
Keywords are used in business rules. They enable you to check a field for particular characteristics. The following keywords are available:
| Keyword | Meaning |
|---|---|
| SPACE | Checks the field to see if it is blank |
| ZERO | Checks the field for the value zero |
| NUMERIC | Checks the field for a numeric value |
| EXISTS | Provides a join between data items and their related reference records |