The following requirement has to be fulfilled:
An effect group must already be created.
To add an effect group to a track, proceed as follows:    
1.
Select the track to which you want to assign the effect group curve.
2.
Right-click the track display area to open the context menu and click the Add Assignable Effect Curve entry.
à
The Add Effect Group Curve window is opened.
3.
Select the desired effect group.
4.
Click the OK button.
à
The effect group curve is displayed in the track. On the left border of the track a percentage scale from 0 to 100 is displayed for the volume.
5.
Move the starting point of the curve, i.e. the square box at the left corner, to the desired initial distribution.
6.
Click the effect group curve at the location for which you want to change the effect and move the square box up or down to the desired intensity.
7.
Repeat the previous step until you have specified all desired points of the effect group curve.
8.
If you want to delete a specific curve point, right-click the curve point and select the Remove Curve Point entry in the displayed context menu.  
9.
If you want to define the settings for a curve point more precisely:  
1.
Right-click the curve point and select the Edit Curve Point entry in the context menu.
à
The Edit Curve Point window is opened.
2.
Enter the desired position of the curve point in the Min. and Sec. input fields in the Time Line Position area.
3.
Enter the desired volume in decibels in the Volume text box in the Value area.
4.
Click the OK button.
è
You have added an effect group curve to the track.


Adding an Effect Group Curve to The Track