Parameters¶
Parameters let readers supply values at preview time — dates, regions, IDs, and other filters — without editing the report design.
Goal¶
Understand how parameters work and where to manage them.
Open Parameter Manager¶
- Choose Data → Parameter Manager (or open the Parameters pane on the Data tab).
- Add or select a parameter.
- Configure general settings, defaults, validation, and lookup options.
[ Screenshot: Parameter Manager ]
Topics in this section¶
| Topic | Description |
|---|---|
| Single Parameters | One value per parameter |
| Multiple Parameters | Multi-select values |
| Cascading Parameters | Child lists depend on parent values |
| Default Values | Pre-filled values |
| Prompting | Ask for values when Preview starts |
Parameter types¶
Supported types include Text, Integer, Long, Decimal, Boolean, Date, and Date & Time.
Tips¶
Tip
Reference parameters in SQL filters and expressions with $P{Name}. For multi-value IN lists, use $X{IN, column, Name} patterns as guided by validation messages.