# ri > Mechanize::HTTP::AuthChallenge

## [Mechanize::HTTP::AuthChallenge](https://www.chedong.com/phpMan.php/perldoc/Mechanize%3A%3AHTTP%3A%3AAuthChallenge/markdown) < Object

(from /home/chedong/.local/share/rdoc)
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A parsed WWW-Authenticate header
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## Instance methods:

  []
  initialize
  params
  realm
  realm_name
  scheme

## Attributes:

  attr_accessor params
  attr_accessor scheme