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		<h1>Open Power Template 2.0</h1>
		<h2>opt:block</h2>
		<p class="generated">@ 02.09.2010</p>
		<p class="location"><a href="index.html"><strong>User manual</strong></a> &raquo; <a href="syntax.html">Template syntax</a> &raquo; <a href="syntax.instructions.html">Instructions</a> &raquo; <a href="syntax.instructions.block.html">opt:block</a></p>
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	<div id="content"><dl class="location"><dt><a href="syntax.instructions.html">3.7. Instructions</a><br/>3.7.2. opt:block</dt><dd class="prev">3.7.1. opt:attribute<br/><a href="syntax.instructions.attribute.html">&laquo; Previous</a></dd><dd class="next">3.7.3. opt:capture<br/><a href="syntax.instructions.capture.html">Next &raquo;</a></dd></dl>	<h1>3.7.2. opt:block</h1><p><code>opt:block</code> creates a port for custom block objects in the template. To get to know more about blocks, see <a href="syntax.topics.blocks.html" title="3.9.2. Blocks">this chapter</a>.</p>

<table>
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  <th>Name</th>
  <th>Type</th>
  <th>Required?</th>
  <th align="left">Description</th>
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  <td>from</td>
  <td>Expression</td>
  <td>Yes</td>
  <td align="left">Where to load the block object from</td>
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  <td>*</td>
  <td>Expression</td>
  <td>No</td>
  <td align="left">Any other tags are converted into block attributes</td>
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<p>The block port is a runtime instruction and the script may freely assign different block objects to the port:</p>

<pre class="xml"><span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;opt:block</span> <span style="color: #000066;">from</span>=<span style="color: #ff0000;">&quot;$block&quot;</span><span style="color: #000000; font-weight: bold;">&gt;</span></span>The content controlled by the block.<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;/opt:block<span style="color: #000000; font-weight: bold;">&gt;</span></span></span></pre>
<h4>See also:</h4><ul><li><a href="syntax.instructions.component.html">3.7.4. opt:component</a></li><li><a href="syntax.topics.blocks.html">3.9.2. Blocks</a></li><li><a href="syntax.topics.components.html">3.9.3. Components</a></li></ul><dl class="location location-bottom"><dt>3.7.2. opt:block<br/><a href="syntax.instructions.html">3.7. Instructions</a></dt><dd class="prev"><a href="syntax.instructions.attribute.html">&laquo; Previous</a><br/>3.7.1. opt:attribute</dd><dd class="next"><a href="syntax.instructions.capture.html">Next &raquo;</a><br/>3.7.3. opt:capture</dd></dl>		</div>
	
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