[Enter description of this extension point.] a unique identifier of an execution environment. Must match an execution environment ID for an <code>org.eclipse.jdt.launching.executionEnvironments</code> extension. The relative path to the JRE profile associated with this execution environment. A JRE profile contains values for the properties <code>org.osgi.framework.system.packages</code> and <code>org.osgi.framework.bootdelegation</code>. 3.2 The following is an example of the <code>executionEnvironments</code> extension: <pre> <extension point = "org.eclipse.pde.core.executionEnvironments"> <environment id="J2SE-1.4" profile="profiles/J2SE-1.4.profile"/> </extension> </pre> In the example above, the ID matches the ID of an <code>environment</code> element declared in an <code>org.eclipse.jdt.launching.executionEnvironments</code> extension. The JRE profile for this execution environment is located at <code>profiles/J2SE-1.4.profile</code> in the declaring plug-in. No Java code is required for this extension point. The Eclipse SDK does not contribute extensions to this extension point. Copyright (c) 2006 IBM Corporation and others. <br> All rights reserved. This program and the accompanying materials are made available under the terms of the Eclipse Public License v1.0 which accompanies this distribution, and is available at <a href="http://www.eclipse.org/legal/epl-v10.html">http://www.eclipse.org/legal/epl-v10.html</a>.