Drop down lists allow the user to select an item from list of data that you configure.
Example
This image is an example of a drop down input in a report:

Settings
To display a drop down list in your report, configure the following settings on the Edit Report Input dialog box:
| 
 Setting  | 
 Selection  | 
|---|---|
| 
 Input Variable  | 
 The name you will use as a parameter in the report query.  | 
| 
 Display Name  | 
 Then name that will appear as a label for the input in the report.  | 
| 
 Input Variable Type  | 
 String  | 
| 
 Input Control Type  | 
 DropDown  | 
| 
 Required  | 
 Optional  | 
| 
 Default Value  | 
 Full  | 
| 
 Values  | 
 DataSet  | 
| 
 DataSet  | 
 The data set you created for this input  | 
| 
 Value Field  | 
 backuplevel  | 
| 
 Label Field  | 
 backuplevel  | 
The following image is an example of the configured settings.

Associated Input Variables
- 
Boolean
 - 
Decimal
 - 
Integer
 - 
String