Parent: $root.$constants
| kBinary | The binary field type |
| kBoolean | The boolean field type |
| kCharacter | The character field type |
| kDate | The date or time field type |
| kFieldreference | The field reference field type for parameters |
| kInteger | The integer field type |
| kItemref | The item reference field type |
| kList | The list field type |
| kNumber | The number field type |
| kObject | The object field type |
| kObjectref | The object reference field type |
| kPicture | The picture field type |
| kRow | The row field type |
| kSequence | The sequence field type |