Specify an expression item parameter

For more information, see Expression item and Parameters.

1. For the relevant filter, Edit a filter.
2. On an existing expression item in a filter, click Constant/Parameter.
3. The field containing the expression item's constant value is replaced by a Value Of Parameter dropdown.
4. Go to the Parameters tab.
5. Click Add Parameter.
6. Enter a parameter Name and Type.
7. If you selected input for the Type, select a Data Type and enter a Default Value.
8. If you selected variable for the Type, select a Variable Name.
9. The new parameter's name is listed in the Value of Parameter dropdown. Select it.
10. Click Save.
11. Optional: To revert an expression item back to a constant value, click Parameter/Constant and then click Save.