[%CFEngine_function_prototype(text)%]

Description: Returns whether the canonicalization of text is a currently set class.

This is useful for transforming variables into classes.

[%CFEngine_function_attributes(text)%]

Example:

```cf3 classes:

 "i_am_the_policy_host" expression => classify("master.example.org"); ```

See also: [canonify()][canonify]