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<title>&lt;fail&gt; Task</title>
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<img alt="-&gt;" src="../images/arrow.gif" /> &lt;fail&gt;</td>
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v0.91</td>
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<h1>&lt;fail&gt;</h1>
<p> Exits the current build by throwing a <a href="../../sdk/NAnt.Core.BuildException.html">BuildException</a>, optionally printing additional information. </p>
<p> The cause of the build failure can be specified using the <code>message</code> attribute or as inline content. </p>
<p> Macros in the message will be expanded. </p>
<h3>Parameters</h3>
<div class="table">
<table>
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<th>Attribute</th>
<th style="text-align: center;">Type</th>
<th>Description</th>
<th style="text-align: center;">Required</th>
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<tr>
<td valign="top">message</td>
<td style="text-align: center;">string</td>
<td> A message giving further information on why the build exited. </td>
<td style="text-align: center;">False</td>
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<tr>
<td valign="top">failonerror</td>
<td style="text-align: center;">bool</td>
<td> Determines if task failure stops the build, or is just reported. The default is <b>true</b>. </td>
<td style="text-align: center;">False</td>
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<tr>
<td valign="top">if</td>
<td style="text-align: center;">bool</td>
<td> If <b>true</b> then the task will be executed; otherwise, skipped. The default is <b>true</b>. </td>
<td style="text-align: center;">False</td>
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<td valign="top">unless</td>
<td style="text-align: center;">bool</td>
<td> Opposite of <code>if</code>. If <b>false</b> then the task will be executed; otherwise, skipped. The default is <b>false</b>. </td>
<td style="text-align: center;">False</td>
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<td valign="top">verbose</td>
<td style="text-align: center;">bool</td>
<td> Determines whether the task should report detailed build log messages. The default is <b>false</b>. </td>
<td style="text-align: center;">False</td>
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<h3>Examples</h3>
<ul class="examples">
<li>
<p>Exits the current build without giving further information.</p>
<pre class="code">
&lt;fail /&gt;
</pre>
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<li>
<p>Exits the current build and writes a message to the build log.</p>
<pre class="code">
&lt;fail message="Something wrong here." /&gt;
</pre>
</li>
<li>
<p>Functionally equivalent to the previous example.</p>
<pre class="code">
&lt;fail&gt;Something wrong here.&lt;/fail&gt;
</pre>
</li>
</ul>
<h3>Requirements</h3>
<div style="margin-left: 20px;">
<b>Assembly:</b> NAnt.Core (0.91.4312.0)
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