Use this section to specify the gradient effect settings for selected layer.
Gradient type
Select a predefined gradient type from the drop down list or click the colored area of the control to run the Gradient Editor dialog and to create a new gradient type.
Select a predefined gradient type from the drop down list or click the colored area of the control to run the 
Use the drop down list to select a gradient blending algorithm. 
Use the slider to set the gradient opacity level.
Use the drop down list to select a gradient style.
Check this option to flip the gradient direction.
Check this option to make the gradient symmetrical.
Use the drop down slider to specify the gradient direction angle.
Use the drop down slider to set the gradient scale in percents.
Use the slider to specify the gradient start position.