Maya / Python, how to change display layer's colour?

Question

After create a new display layer, how to set colour attribute to that layer?

sel = cmds.ls(selection=True,fl=True)    
coneGroup = cmds.group(empty=True,name="cones_#")
dGroup = cmds.createDisplayLayer(coneGroup, n = "cones_cam")
cmds.color(dGroup, (0,0,0))

Answer 1

Use need to use setAttr:

sel = cmds.ls(selection=True,fl=True)    
coneGroup = cmds.group(empty=True,name="cones_#")
dGroup = cmds.createDisplayLayer(coneGroup, n = "cones_cam")

# Enable the layer's color.
cmds.setAttr("{}.color".format(dGroup), True)

# Enable the layer's color to use rgb.
cmds.setAttr("{}.overrideRGBColors".format(dGroup), True)

# Set the layer's color with values between 0-1.
cmds.setAttr("{}.overrideColorRGB".format(dGroup), 1, 0, 0)