Task: Analyze feedback and send a message on Mattermost

n8n workflow JSON:
{"id":"133","name":"Analyze the sentiment of feedback and send a message on Mattermost","nodes":[{"name":"Typeform Trigger","type":"n8n-nodes-base.typeformTrigger","position":[510,260],"webhookId":"ad8a87ef-d293-4e48-8d36-838d69ebce0f","parameters":{"formId":""},"credentials":{"typeformApi":"typeform"},"typeVersion":1},{"name":"Google Cloud Natural Language","type":"n8n-nodes-base.googleCloudNaturalLanguage","position":[710,260],"parameters":{"content":"={{$node[\"Typeform Trigger\"].json[\"What did you think about the event?\"]}}","options":{}},"credentials":{"googleCloudNaturalLanguageOAuth2Api":"cloud"},"typeVersion":1},{"name":"IF","type":"n8n-nodes-base.if","position":[910,260],"parameters":{"conditions":{"number":[{"value1":"={{$node[\"Google Cloud Natural Language\"].json[\"documentSentiment\"][\"score\"]}}"}]}},"typeVersion":1},{"name":"Mattermost","type":"n8n-nodes-base.mattermost","position":[1110,160],"parameters":{"message":"=You got a new feedback with a score of {{$node[\"Google Cloud Natural Language\"].json[\"documentSentiment\"][\"score\"]}}. Here is what it says:{{$node[\"Typeform Trigger\"].json[\"What did you think about the event?\"]}}","channelId":"4h1bz64cyifwxnzojkzh8hxh4a","attachments":[],"otherOptions":{}},"credentials":{"mattermostApi":"mattermost"},"typeVersion":1},{"name":"NoOp","type":"n8n-nodes-base.noOp","position":[1110,360],"parameters":{},"typeVersion":1}],"active":false,"settings":{},"connections":{"IF":{"main":[[{"node":"Mattermost","type":"main","index":0}],[{"node":"NoOp","type":"main","index":0}]]},"Typeform Trigger":{"main":[[{"node":"Google Cloud Natural Language","type":"main","index":0}]]},"Google Cloud Natural Language":{"main":[[{"node":"IF","type":"main","index":0}]]}}}