Liferay 6.2 Workflow Notification Freemarker Template Variables

variables.properties

expandoRowLocalService=com.liferay.portlet.expando.service.impl.ExpandoRowLocalServiceImpl@7d62221b
unicodeLanguageUtil=com.liferay.portal.language.UnicodeLanguageImpl@73581bfe
serviceLocator=com.liferay.portal.template.ServiceLocator@1d95fbdb
userGroupPermission=com.liferay.portal.service.permission.UserGroupPermissionImpl@61c9f609
userPermission=com.liferay.portal.service.permission.UserPermissionImpl@1237fb07
staticFieldGetter=com.liferay.portal.kernel.util.StaticFieldGetter@194191e9
imageToken=com.liferay.portal.webserver.WebServerServletTokenImpl@1fd264f3
dateFormatFactory=com.liferay.portal.util.FastDateFormatFactoryImpl@2de19dd7
locationPermission=com.liferay.portal.service.permission.OrganizationPermissionImpl@3741a5c9
organizationPermission=com.liferay.portal.service.permission.OrganizationPermissionImpl@3741a5c9
stringUtil=com.liferay.portal.kernel.util.StringUtil_IW@36eb4b76
userId=10437
userName=Bijan Vakili
httpUtil=com.liferay.portal.util.HttpImpl@7e781a30
portletPermission=com.liferay.portal.service.permission.PortletPermissionImpl@7eff862d
paramUtil=com.liferay.portal.kernel.util.ParamUtil_IW@39c2357e
localeUtil=com.liferay.portal.kernel.util.LocaleUtil@7d4600d1
portal=com.liferay.portal.util.PortalImpl@7edfd997
randomizer=com.liferay.portal.kernel.util.Randomizer@1a468994
entryClassPK=25711
portalUtil=com.liferay.portal.util.PortalImpl@7edfd997
jsonFactoryUtil=com.liferay.portal.json.JSONFactoryImpl@cf26106
arrayUtil=com.liferay.portal.kernel.util.ArrayUtil_IW@7cbfd78d
workflowTaskAssignees=[com.liferay.portal.kernel.workflow.WorkflowTaskAssignee@31da2137]
serviceContext=com.liferay.portal.service.ServiceContext@7ace7ac0
groupPermission=com.liferay.portal.service.permission.GroupPermissionImpl@777e56ea
velocityTaglib_layoutIcon=public void com.liferay.taglib.util.VelocityTaglibImpl.layoutIcon(com.liferay.portal.model.Layout) throws java.lang.Exception
accountPermission=com.liferay.portal.service.permission.AccountPermissionImpl@77c59f0
saxReaderUtil=com.liferay.portal.xml.SAXReaderImpl@74f49f66
rolePermission=com.liferay.portal.service.permission.RolePermissionImpl@8bcf0ae
taskName=hold
objectUtil=com.liferay.portal.freemarker.LiferayObjectConstructor@2cd929ed
dlUtil=com.liferay.portlet.documentlibrary.util.DLImpl@654f9d9b
browserSniffer=com.liferay.portal.servlet.BrowserSnifferImpl@668e0060
staticUtil=freemarker.ext.beans.StaticModels@74bad339
prefsPropsUtil=com.liferay.portal.util.PrefsPropsImpl@15817f0e
windowStateFactory=com.liferay.portal.kernel.portlet.WindowStateFactory_IW@68bc7b29
languageUtil=com.liferay.portal.language.LanguageImpl@2e39f677
webServerToken=com.liferay.portal.webserver.WebServerServletTokenImpl@1fd264f3
entryClassName=com.liferay.portlet.journal.model.JournalArticle
getterUtil=com.liferay.portal.kernel.util.GetterUtil_IW@5f641656
timeZoneUtil=com.liferay.portal.kernel.util.TimeZoneUtil_IW@23f69907
expandoTableLocalService=com.liferay.portlet.expando.service.impl.ExpandoTableLocalServiceImpl@75f61daa
auditMessageFactoryUtil=com.liferay.portal.audit.AuditMessageFactoryImpl@12b8ad03
enumUtil=freemarker.ext.beans.EnumModels@1a66a98f
groupId=21570
portalPermission=com.liferay.portal.service.permission.PortalPermissionImpl@4e130a9c
entryType=Web Content Article
taskComments=
portletModeFactory=com.liferay.portal.kernel.portlet.PortletModeFactory_IW@49c71ed8
companyId=10157
expandoColumnLocalService=com.liferay.portlet.expando.service.impl.ExpandoColumnLocalServiceImpl@64233526

Where can I find the user variable??