1. set incoming-webhook at slack click channel name Add an app incomming-webhook add configration set target channel and bot name get url 2. add gas function sendToSlack(body) { var url = "https://hooks.slack.com/services/xxxxxxxxxx"; var data = { "icon_emoji": ":xxxxxx:", "attachments": [{ "color": "good", "title": "Google Form", "text" : body, }], }; var payload = JSON.stringify(data); var options = { "method" : "POST", "contentType" : "application/json", "payload" : payload }; var response = UrlFetchApp.fetch(url, options); } function onFormSubmit(e){ var body = "```\n"; var itemResponse = e.response.getItemResponses(); for (var j = 0; j < itemResponse.length; j++){ var formData = itemResponse[j]; body += formData.getItem().getTitle() + ": "; body += formData.getResponse() + "\n"; } body += "```" sendToSlack(body); } function test(){ sendToSlack("test notification"); } 3. test do test method 4. deploy choose onFormSubmit method click timer icon set trigger on submit