Add Screenlogic set_color_mode service (#49366)

homeassistant/components/screenlogic/const.py

@@ -1,7 +1,16 @@
 """Constants for the ScreenLogic integration."""
+from screenlogicpy.const import COLOR_MODE
+
+from homeassistant.util import slugify
 
 DOMAIN = "screenlogic"
 DEFAULT_SCAN_INTERVAL = 30
 MIN_SCAN_INTERVAL = 10
 
+SERVICE_SET_COLOR_MODE = "set_color_mode"
+ATTR_COLOR_MODE = "color_mode"
+SUPPORTED_COLOR_MODES = {
+    slugify(name): num for num, name in COLOR_MODE.NAME_FOR_NUM.items()
+}
+
 DISCOVERED_GATEWAYS = "_discovered_gateways"