|  | ## Rename

#### Synopsis

This operator can be used to rename an attribute.

#### Description

This operator can be used to rename an attribute of the input ExampleSet. Please keep in mind, that attribute names have to be unique. Although renamed, an attribute keeps it's role. For example if you rename an attribute "label" of the role label to "color", the resulting attribute "color" will still have the role label. For changing a role, see Set Role.

#### Input

- example set input: expects: ExampleSetMetaData: #examples: = 0; #attributes: 0

, expects: ExampleSet

#### Output

- example set output:
- original:

#### Parameters

- old name: The old name of the attribute.
- new name: The new name of the attribute.

#### ExampleProcess