Very quick question. I would like my SBAR file to allow users to modify the albedo color and the roughness value. I don't remember how to do. Thanks in advanced.
Use uniform color node , right click , expose param , check in output . Connect the node to output. In output node "integration attributes" set color space sRGB . For other channels keep it default .
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EDIT: Never mind. I deleted the uniform color node and recreated it. The parameter is exposed.