Color Mode Black & White

If you want to enable the color mode black & white additionally to color and gray, search for the Color property in the Panel Configuration and extend it by the setting for gray as shown in the below code snippet:

      ...
      "Color": {
        "type": "string",
        "fillBy": "Capabilities/ColorDefault",
        "default": "bw",
        "description": "Color",
        "widget": "toggle",
        "oneOf": [
          {
            "enum": [
              "color"
            ],
            "description": "color",
            "icon": "format_color_fill"
          },
          {
            "enum": [
              "gray"
            ],
            "description": "gray"
          },
          {
            "enum": [
              "bw"
            ],
            "description": "bw",
            "icon": "format_color_reset"
          }
        ],
        "visibleIf": {
          "Capabilities/Color": [
            true
          ]
        }
      },
      ...