The following attributes belong to the index property:
| Attribute Name | Purpose | Values |
|---|---|---|
| data-field | Defines the field to be used as the item-data or item-key. | Any column field or function |
| data-formula | Defines an open formula to be used as the item-data or item-key. | Formula Make sure that data-field is not defined, if this attribute is used. |
| index-separator | Defines the separator text that is used between page numbers in the item-pages field in the index sub report. It defaults to ",". | String; default is comma (,). |
| condensed-style | Defines whether or not a dash (-) is used between continuous page numbers; for example, 4,5,6,7 display as 4-7. | Boolean; default is false. |