Touchegg Configuration - 3 Finger: Up shows windows, Down shows desktop, L/R Back/Forward - 4 Finger: Up/Down Volume, L/R Track Control

.config_touchegg_touchegg.conf

<touchégg>
  <settings>
    <property name="animation_delay">150</property>
    <property name="action_execute_threshold">20</property>
    <property name="color">auto</property>
    <property name="borderColor">auto</property>
  </settings>
  <application name="All">
    <gesture type="SWIPE" fingers="3" direction="DOWN">
      <action type="SHOW_DESKTOP"></action>
    </gesture>
    <gesture type="SWIPE" fingers="3" direction="UP">
      <action type="SEND_KEYS">
        <modifiers>Super_L</modifiers>
        <keys>D</keys>
        <repeat>false</repeat>
        <animation>NONE</animation>
        <on>begin</on>
      </action>
    </gesture>
    <gesture type="SWIPE" fingers="4" direction="UP">
      <action type="SEND_KEYS">
        <modifiers></modifiers>
        <keys>XF86AudioRaiseVolume</keys>
        <decreaseKeys>XF86AudioLowerVolume</decreaseKeys>
        <repeat>true</repeat>
        <animation>NONE</animation>
      </action>
    </gesture>
    <gesture type="SWIPE" fingers="4" direction="DOWN">
      <action type="SEND_KEYS">
        <modifiers></modifiers>
        <keys>XF86AudioLowerVolume</keys>
        <decreaseKeys>XF86AudioRaiseVolume</decreaseKeys>
        <repeat>true</repeat>
        <animation>NONE</animation>
      </action>
    </gesture>
    <gesture type="SWIPE" fingers="3" direction="LEFT">
      <action type="SEND_KEYS">
        <modifiers></modifiers>
        <keys>XF86Back</keys>
        <repeat>false</repeat>
        <animation>NONE</animation>
        <on>begin</on>
      </action>
    </gesture>
    <gesture type="SWIPE" fingers="3" direction="RIGHT">
      <action type="SEND_KEYS">
        <modifiers></modifiers>
        <keys>XF86Forward</keys>
        <repeat>false</repeat>
        <animation>NONE</animation>
        <on>begin</on>
      </action>
    </gesture>
    <gesture type="SWIPE" fingers="4" direction="LEFT">
      <action type="SEND_KEYS">
        <modifiers></modifiers>
        <keys>XF86AudioPrev</keys>
        <repeat>false</repeat>
        <animation>NONE</animation>
        <on>begin</on>
      </action>
    </gesture>
    <gesture type="SWIPE" fingers="4" direction="RIGHT">
      <action type="SEND_KEYS">
        <modifiers></modifiers>
        <keys>XF86AudioNext</keys>
        <repeat>false</repeat>
        <animation>NONE</animation>
        <on>begin</on>
      </action>
    </gesture>
  </application>
</touchégg>