Queries the data of each recipient list in Optimizely Campaign. This method can be replaced by the .NET replacement methods [getColumnNames](🔗) and [getDataSetFlat](🔗).
**Type**: String[ ] [ ]
**Parameters**
| Name | Type | Value |
| sessionId | String | ID of the session |
**Return values**
A data set where the first row contains the column names and the following rows contains the values for each recipient list.
The data set's columns and column order are subject to change.
**Code structure**