[[Property:title|New function layout]]
[[Property:weight|3]]
[[Property:uuid|ae292b6e-7274-47a5-59f1-0f625493474f]]
<div>  [[Image:feature-wizard-function]]  </div>
When clicking '''Function''', the dialog changes to the function layout. It has the following components: 
*  [[Feature clauses|Feature clause selection]]  
*  [[Name field|Feature name field]]  
*  [[Argument list|Argument list]]  
*  [[Type selection|Type selection]]  
*  [[Header comment|Header comment field]]  
*  [[Precondition|Precondition field]]  
*  [[Local variable|Local variable field]]  
*  [[Feature body|Selection for: normal, once, deferred or external routine]]  
*  [[Postcondition|Postcondition field]]  

==Example==
This dialog box:<br/>
<div>  [[Image:feature-wizard-function-example]]  </div><br/>
Produces this feature:<br/>
<code>
class
    PRODUCT

feature -- Status report

    order_price (quantity: INTEGER): DOUBLE
            -- Total price when ordering `quantity'.
        require
            quantity_non_negative: quantity >= 0
        do
            Result := quantity * price
        ensure
            correct: Result = quantity * price
        end

end -- class PRODUCT</code>