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| Name | Description |
|---|---|
| Form | Source form to load records from |
| ID Column | Field ID from source form to set as option value. (Default: id) |
| Label Column | Field ID from source form to set as option label. (e.g. name) |
| Grouping Column | Field ID from source form to set as option grouping value. |
| Extra Filter Condition | Filter condition in HQL to refine the selections. |
| Add Empty Option | If checked, an empty option will be added to the selections. |
| Empty Option Label | Empty option label. Only in use when Add Empty Option is checked. |
| Use AJAX for cascade options? | When checked, this allows these fields to dynamically load available options based on the other field value (grouping column) when dealing with tremendous amount of selections. read more at Ajax Cascading Drop-Down List. |