 Â Add | Adds an interest level. |
| Â Delete | Deletes an existing interest level. |
| Â Get | Retrieves an interest level. The interest level is specified by its key, which is contained in the `InterestLevelParams` object passed to the method. |
| Â GetDataInterface | Creates an empty data structure for use with the `InterestLevelsService`. |
| Â GetDataInterfaceFromXMLFile | Creates an object from an XML file. |
| Â GetDataInterfaceFromXMLString | Creates an object from XML. |
| Â GetList | Returns the `InterestLevelParamsCollection` data collection that identifies all interest levels. |
| Â Update | Updates an existing interest level. |