Task: Turn on a light and set its brightness

n8n workflow:
{"id":"58","name":"Turn on a light and set its brightness","nodes":[{"name":"On clicking 'execute'","type":"n8n-nodes-base.manualTrigger","position":[590,260],"parameters":{},"typeVersion":1},{"name":"Philips Hue","type":"n8n-nodes-base.philipsHue","position":[790,260],"parameters":{"lightId":"123","additionalFields":{"bri":90}},"credentials":{"philipsHueOAuth2Api":"philips-hue"},"typeVersion":1}],"active":false,"settings":{},"connections":{"On clicking 'execute'":{"main":[[{"node":"Philips Hue","type":"main","index":0}]]}}}