Available in 3ds Max 2011 and higher.
<adsk_Tex_Checker>.Parameters : paramBlock2
<adsk_Tex_Checker>.ExtraParameters : paramBlock2
<adsk_Tex_Checker>.Soften : float
<adsk_Tex_Checker>.Color1 : fRGBA color
<adsk_Tex_Checker>.Color2 : fRGBA color
<adsk_Tex_Checker>.Map1 : filename
<adsk_Tex_Checker>.Image_Frame_Number : integer
<adsk_Tex_Checker>.Map2 : filename
<adsk_Tex_Checker>.Image_Frame_Number : integer
<adsk_Tex_Checker>.Map1Enabled : boolean
<adsk_Tex_Checker>.Map2Enabled : boolean
<adsk_Tex_Checker>.Coords : texturemap
<adsk_Tex_Checker>.GBufferID : integer
<adsk_Tex_Checker>.Connection_struct__0000__Parameters : paramBlock2
<adsk_Tex_Checker>.Connection_struct__0001__ExtraParameters : paramBlock2
<adsk_Tex_Checker>.Soften_connected : boolean
<adsk_Tex_Checker>.Soften_shader : texturemap
<adsk_Tex_Checker>.Soften_paramName : string
<adsk_Tex_Checker>.Color1_connected : boolean
<adsk_Tex_Checker>.Color1_shader : texturemap
<adsk_Tex_Checker>.Color1_paramName : string
<adsk_Tex_Checker>.Color2_connected : boolean
<adsk_Tex_Checker>.Color2_shader : texturemap
<adsk_Tex_Checker>.Color2_paramName : string
<adsk_Tex_Checker>.Map1_connected : boolean
<adsk_Tex_Checker>.Map1_shader : texturemap
<adsk_Tex_Checker>.Map1_paramName : string
<adsk_Tex_Checker>.Map2_connected : boolean
<adsk_Tex_Checker>.Map2_shader : texturemap
<adsk_Tex_Checker>.Map2_paramName : string
<adsk_Tex_Checker>.Map1Enabled_connected : boolean
<adsk_Tex_Checker>.Map1Enabled_shader : texturemap
<adsk_Tex_Checker>.Map1Enabled_paramName : string
<adsk_Tex_Checker>.Map2Enabled_connected : boolean
<adsk_Tex_Checker>.Map2Enabled_shader : texturemap
<adsk_Tex_Checker>.Map2Enabled_paramName : string
<adsk_Tex_Checker>.GBufferID_connected : boolean
<adsk_Tex_Checker>.GBufferID_shader : texturemap
<adsk_Tex_Checker>.GBufferID_paramName : string
<adsk_Tex_Checker>.TheList : maxObject array
<adsk_Tex_Checker>.Shader_Version : integer