Task: Send a message on Mattermost when you get a reply in Emelia

n8n workflow JSON:
{"nodes":[{"name":"Mattermost","type":"n8n-nodes-base.mattermost","position":[650,200],"parameters":{"message":"={{$json[\"contact\"][\"firstName\"]}} from {{$json[\"contact\"][\"company\"]}} has replied back to your campaign.","channelId":"qx9yo1i9z3bg5qcy5a1oxnh69c","attachments":[],"otherOptions":{}},"credentials":{"mattermostApi":"Mattermost Credentials"},"typeVersion":1},{"name":"Emelia Trigger","type":"n8n-nodes-base.emeliaTrigger","position":[450,200],"webhookId":"f53bc370-a8cb-4748-8f81-be7ae9b94972","parameters":{"events":["replied"],"campaignId":"6054d068b374b64365740101"},"credentials":{"emeliaApi":"Emelia API Credentials"},"typeVersion":1}],"connections":{"Emelia Trigger":{"main":[[{"node":"Mattermost","type":"main","index":0}]]}}}