How to add right trimbar/side bar in eclipse

This can be achieved through "org.eclipse.ui.menus" extension point with the locationURI as "toolbar:org.eclipse.ui.trim.vertical2"

<extension
       point="org.eclipse.ui.menus">
    <menuContribution
          allPopups="false"
          locationURI="toolbar:org.eclipse.ui.trim.vertical2">
       <toolbar
             id="myrightsidetrimbar"
             label="Eclispe rightside trimbar">
          <command
                commandId="com.kk.command.showHelp"
                icon="icons/help.gif"
                label="Help"
                style="push">
          </command>
            </toolbar>
    </menuContribution>
 </extension>


toolbar:org.eclipse.ui.trim.vertical2 -> will be for used for Right trimbar

We can find all these uri identifiers in MenuUtil.java in eclipse org.eclispe.ui.workbench plugin

 /** Top Left Trim Area */
public final static String TRIM_COMMAND1 = "toolbar:org.eclipse.ui.trim.command1"; //$NON-NLS-1$
/** Top Right Trim Area */
public final static String TRIM_COMMAND2 = "toolbar:org.eclipse.ui.trim.command2"; //$NON-NLS-1$
/** Left Vertical Trim Area */
public final static String TRIM_VERTICAL1 = "toolbar:org.eclipse.ui.trim.vertical1"; //$NON-NLS-1$
/** Right Vertical Trim Area */
public final static String TRIM_VERTICAL2 = "toolbar:org.eclipse.ui.trim.vertical2"; //$NON-NLS-1$
/** Bottom (Status) Trim Area */
public final static String TRIM_STATUS = "toolbar:org.eclipse.ui.trim.status"; //$NON-NLS-1$