The sandbox target is part of the COR•REC Sandbox download. If you have not yet downloaded the sandbox you may do it here. The target contains the plugins required to launch the COR•REC Application from within the Eclipse IDE/RCP application. The COR•REC Sandbox contains the plugin com.corgroup.correc.sandbox. The plugin contains two files _Overview.rtf and _Launch Configuration.rtf that will further aid in the setup and launching the COR•REC Sandbox application.
Open the "com.corgroup.sandbox.target" found at the root level of the "com.corgroup.correc.sandbox" plugin.