Available in 3ds Max 2011 and higher.
<adsk_Utility_Mix8Shader>.shader1 : texturemap
<adsk_Utility_Mix8Shader>.shader2 : texturemap
<adsk_Utility_Mix8Shader>.mix2_mode : integer
<adsk_Utility_Mix8Shader>.mix2_factor : fRGBA color
<adsk_Utility_Mix8Shader>.shader3 : texturemap
<adsk_Utility_Mix8Shader>.mix3_mode : integer
<adsk_Utility_Mix8Shader>.mix3_factor : fRGBA color
<adsk_Utility_Mix8Shader>.shader4 : texturemap
<adsk_Utility_Mix8Shader>.mix4_mode : integer
<adsk_Utility_Mix8Shader>.mix4_factor : fRGBA color
<adsk_Utility_Mix8Shader>.shader5 : texturemap
<adsk_Utility_Mix8Shader>.mix5_mode : integer
<adsk_Utility_Mix8Shader>.mix5_factor : fRGBA color
<adsk_Utility_Mix8Shader>.shader6 : texturemap
<adsk_Utility_Mix8Shader>.mix6_mode : integer
<adsk_Utility_Mix8Shader>.mix6_factor : fRGBA color
<adsk_Utility_Mix8Shader>.shader7 : texturemap
<adsk_Utility_Mix8Shader>.mix7_mode : integer
<adsk_Utility_Mix8Shader>.mix7_factor : fRGBA color
<adsk_Utility_Mix8Shader>.shader8 : texturemap
<adsk_Utility_Mix8Shader>.mix8_mode : integer
<adsk_Utility_Mix8Shader>.mix8_factor : fRGBA color
<adsk_Utility_Mix8Shader>.mix2_mode_connected : boolean
<adsk_Utility_Mix8Shader>.mix2_mode_shader : texturemap
<adsk_Utility_Mix8Shader>.mix2_mode_paramName : string
<adsk_Utility_Mix8Shader>.mix2_factor_connected : boolean
<adsk_Utility_Mix8Shader>.mix2_factor_shader : texturemap
<adsk_Utility_Mix8Shader>.mix2_factor_paramName : string
<adsk_Utility_Mix8Shader>.mix3_mode_connected : boolean
<adsk_Utility_Mix8Shader>.mix3_mode_shader : texturemap
<adsk_Utility_Mix8Shader>.mix3_mode_paramName : string
<adsk_Utility_Mix8Shader>.mix3_factor_connected : boolean
<adsk_Utility_Mix8Shader>.mix3_factor_shader : texturemap
<adsk_Utility_Mix8Shader>.mix3_factor_paramName : string
<adsk_Utility_Mix8Shader>.mix4_mode_connected : boolean
<adsk_Utility_Mix8Shader>.mix4_mode_shader : texturemap
<adsk_Utility_Mix8Shader>.mix4_mode_paramName : string
<adsk_Utility_Mix8Shader>.mix4_factor_connected : boolean
<adsk_Utility_Mix8Shader>.mix4_factor_shader : texturemap
<adsk_Utility_Mix8Shader>.mix4_factor_paramName : string
<adsk_Utility_Mix8Shader>.mix5_mode_connected : boolean
<adsk_Utility_Mix8Shader>.mix5_mode_shader : texturemap
<adsk_Utility_Mix8Shader>.mix5_mode_paramName : string
<adsk_Utility_Mix8Shader>.mix5_factor_connected : boolean
<adsk_Utility_Mix8Shader>.mix5_factor_shader : texturemap
<adsk_Utility_Mix8Shader>.mix5_factor_paramName : string
<adsk_Utility_Mix8Shader>.mix6_mode_connected : boolean
<adsk_Utility_Mix8Shader>.mix6_mode_shader : texturemap
<adsk_Utility_Mix8Shader>.mix6_mode_paramName : string
<adsk_Utility_Mix8Shader>.mix6_factor_connected : boolean
<adsk_Utility_Mix8Shader>.mix6_factor_shader : texturemap
<adsk_Utility_Mix8Shader>.mix6_factor_paramName : string
<adsk_Utility_Mix8Shader>.mix7_mode_connected : boolean
<adsk_Utility_Mix8Shader>.mix7_mode_shader : texturemap
<adsk_Utility_Mix8Shader>.mix7_mode_paramName : string
<adsk_Utility_Mix8Shader>.mix7_factor_connected : boolean
<adsk_Utility_Mix8Shader>.mix7_factor_shader : texturemap
<adsk_Utility_Mix8Shader>.mix7_factor_paramName : string
<adsk_Utility_Mix8Shader>.mix8_mode_connected : boolean
<adsk_Utility_Mix8Shader>.mix8_mode_shader : texturemap
<adsk_Utility_Mix8Shader>.mix8_mode_paramName : string
<adsk_Utility_Mix8Shader>.mix8_factor_connected : boolean
<adsk_Utility_Mix8Shader>.mix8_factor_shader : texturemap
<adsk_Utility_Mix8Shader>.mix8_factor_paramName : string
<adsk_Utility_Mix8Shader>.TheList : maxObject array
<adsk_Utility_Mix8Shader>.Shader_Version : integer