# Attributes

| Attribute | Data Type | Definition                                                                                                                      |
| --------- | --------- | ------------------------------------------------------------------------------------------------------------------------------- |
| name      | String    | Name with which the user-defined function will be referenced in MDX expressions.                                                |
| className | String    | Name of the class which implements this user-defined function. Must implement the `mondrian.spi.UserDefinedFunction` interface. |