addons.html

---
layout: default-withsidebar
title: opr.addons
support: 20
copyright: opera-ccby
---

<div id="gc-pagecontent">
	<div id="toc">
		<h2>
			Contents
		</h2>
		<ol>

			<li>
				<a href="#methods">Methods</a>
				<ol>
					<li>
						<a href="#method-installextension">installExtension</a>
					</li>
				</ol>
			</li>
		</ol>
	</div>
	<div class="api_reference">
		<h2 id="methods">
			Methods
		</h2>
		<div>
			<h4 id="method-installextension">
				installExtension
			</h4>
			<div class="summary lower">
				<code><code><span class="subdued">opr.addons.</span>installExtension(string <code class="variable">id</code>, <span>function <code class="variable"> success_callback</code>, <span>function <code class="variable"> error_callback</code></span>)</code></code>
			</div>
			<div class="description">
				<p>
					Retrieves details about the specified Stash item.
				</p>
				<h4>
					Parameters
				</h4>
				<dl>
					<dd>
						<div>
							<a name="property-Id" id="property-Id"></a>
							<dl>
								<dt>
									<code class="variable">id</code> <code class="property">( String )</code>
									<p>The extension ID of the extension being called.</p>
								</dt>
							</dl>
						</div>
						<div>
							<a name="property-successcallback" id="property-successcallback"></a>
							<dl>
								<dt>
									<code class="variable">success_callback</code> <code class="property">( function )</code>
									<p>Function called when the installation finishes successfully. It takes no arguments.</p>
								</dt>
							</dl>
						</div>

						<div>
							<a name="property-errorcallback" id="property-errorcallback"></a>
							<dl>
								<dt>
									<code class="variable">error_callback</code> <code class="property">( function )</code>
									<p>Function called when the installation fails. It takes a single string argument, the error message.</p>
								</dt>
							</dl>
						</div>
					</dd>
				</dl>
				<h4>
					Success Callback
				</h4>
				<p>
					The <em>success_callback</em> parameter should specify a function that looks like this:
				</p>
				<pre class="prettyprint">
<code>function() <span class="subdued">{...}</span>;</code>
</pre>


				<h4>
									Error Callback
								</h4>
								<p>
									The <em>error_callback</em> parameter should specify a function that looks like this:
								</p>
				<pre class="prettyprint"><code>function(String errorMessage)<span class="subdued">{...}</span>;</code>
				</pre>
			</div>
		</div>


	</div>
</div>