Available in 3ds Max 2011 and higher.
<Simple_Gradient_Map__adsk>.m : paramBlock2
<Simple_Gradient_Map__adsk>.f : paramBlock2
<Simple_Gradient_Map__adsk>.u : paramBlock2
<Simple_Gradient_Map__adsk>.gradient_type : integer
<Simple_Gradient_Map__adsk>.gradient_interpolation : integer
<Simple_Gradient_Map__adsk>.noise_type : integer
<Simple_Gradient_Map__adsk>.noise_amount : float
<Simple_Gradient_Map__adsk>.noise_phase : float
<Simple_Gradient_Map__adsk>.noise_size : float
<Simple_Gradient_Map__adsk>.noise_levels : float
<Simple_Gradient_Map__adsk>.noise_low : float
<Simple_Gradient_Map__adsk>.noise_high : float
<Simple_Gradient_Map__adsk>.noise_smooth : float
<Simple_Gradient_Map__adsk>.position : float array
<Simple_Gradient_Map__adsk>.interpolation : int array
<Simple_Gradient_Map__adsk>.color : fRGBA color array
<Simple_Gradient_Map__adsk>.UScale : float
<Simple_Gradient_Map__adsk>.VScale : float
<Simple_Gradient_Map__adsk>.UOffset : float
<Simple_Gradient_Map__adsk>.VOffset : float
<Simple_Gradient_Map__adsk>.WAngle : float
<Simple_Gradient_Map__adsk>.UWrap : boolean
<Simple_Gradient_Map__adsk>.VWrap : boolean
<Simple_Gradient_Map__adsk>.MapChannel : integer
<Simple_Gradient_Map__adsk>.Connection_struct__0000__m : paramBlock2
<Simple_Gradient_Map__adsk>.Connection_struct__0001__f : paramBlock2
<Simple_Gradient_Map__adsk>.Connection_struct__0002__u : paramBlock2
<Simple_Gradient_Map__adsk>.Shader_Version : integer
<Simple_Gradient_Map__adsk>.TheList : maxObject array