{{tag>Index Action Action_List Process UI}}
====== DISPLAY QUESTION ======

This action displays a question to the user and waits for the reply. The string specified in the action identifying a question is displayed together with the Yes, No and Cancel buttons. 

===== Syntax =====
 
      ''DISPLAY QUESTION''
      ArithmeticExpression()
      [ 
        ''MTITLE'' <STRING_LITERAL>
      ]
      [
        ''YESNAME'' <STRING_LITERAL>
      ]
      [
        ''NONAME'' <STRING_LITERAL>
      ]
      
where 
  - ArithmeticOperation is the operation that produces a string (usually just a string literal).
  - MTITLE:  optional title of the window
  - YESNAME: optional name of the "Yes" button (default is Yes)
  - NONAME:  optional name of the No button (default is No)

===== Example =====

<code aim>DISPLAY QUESTION 'Do you want to print out a receipt?' YESNAME 'I do' NONAME 'I do not' </code>

The reply of the user can be checked using the Reply attribute of the predefined object Question, for example:

<code aim>IF Question.Reply = 'Yes' THEN ... </code>