| NAnt  Help  Function Reference  property::exists | v0.85 | 
Checks whether the specified property exists.
bool property::exists(name)
            
    
    | Name | Type | Description | 
|---|---|---|
| name | string | The property to test. | 
Execute a set of tasks if the "build.debug" property exists.
<if test="${property::exists('build.debug')}">
    <echo message="Starting debug build" />
    <call target="init-debug" />
    <call target="build" />
</if>