Task: Send a message to a channel on Twake

n8n workflow JSON:
{"id":"1","name":"Send a message on Twake","nodes":[{"name":"On clicking 'execute'","type":"n8n-nodes-base.manualTrigger","position":[600,300],"parameters":{},"typeVersion":1},{"name":"Twake","type":"n8n-nodes-base.twake","position":[800,300],"parameters":{"content":"","channelId":"","additionalFields":{}},"credentials":{"twakeCloudApi":""},"typeVersion":1}],"active":false,"settings":{},"connections":{"On clicking 'execute'":{"main":[[{"node":"Twake","type":"main","index":0}]]}}}