This workflow follows the Gmail → Google Sheets recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"id": "kLHXGgGMQNnfjVW8",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "Send Post\u2011Interview Feedback Nudges from Google Sheets to Slack (with Email Fallback)",
"tags": [],
"nodes": [
{
"id": "3c94fc35-7f70-44f8-8084-74ef9e86305e",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-180,
-20
],
"parameters": {
"width": 1620,
"height": 560,
"content": "## Send Post\u2011Interview Feedback Nudges from Google Sheets to Slack (with Email Fallback)"
},
"typeVersion": 1
},
{
"id": "7915c9b3-beea-41c6-a1d8-34dd1a5b52c1",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-180,
580
],
"parameters": {
"width": 1620,
"height": 380,
"content": "## Description:\n- The workflow starts with a Schedule Trigger node named \"Daily Reminder Trigger\", which runs every day at 6:00 PM to initiate the process.\n\n- The next node, named \"Fetch Interview Feedback Data\", is a Google Sheets (Read Sheet) node that pulls all the interview entries from a spreadsheet.\n\n- An IF node named \"Check If Feedback Is Submitted\" filters the entries, allowing only those where the Feedback Submitted field is not marked as \"Yes\" to move forward.\n\n- The next IF node named \"Check for Slack ID\" evaluates whether a valid Slack ID exists for each pending feedback row.\n\n- If Slack ID exists, the workflow proceeds to the \"Send Slack Reminder\" node, which is a Slack (Post Message) node sending a personalized DM reminder to the interviewer.\n\n- If Slack ID is missing, the workflow uses the \"Send Email Reminder\" node, a Gmail (Send Message) node, to send an email notification to the interviewer.\n\n- Regardless of whether the reminder was sent via Slack or Email, the final step is handled by a Google Sheets (Append or Update) node named \"Update Reminder Status\".\n\n- This node updates the sheet and marks the Reminder Sent or Feedback Submitted column as \"Yes\" to prevent further reminders for the same entry in future workflow executions."
},
"typeVersion": 1
},
{
"id": "38bcc7d4-df73-4ccb-a7a0-618540a48310",
"name": "Daily Reminder Trigger",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
-120,
160
],
"parameters": {
"rule": {
"interval": [
{
"triggerAtHour": 18
}
]
}
},
"typeVersion": 1.2
},
{
"id": "ee420d16-40b5-4faf-9501-bc9a8228ec04",
"name": "Fetch Interview Feedback Data",
"type": "n8n-nodes-base.googleSheets",
"position": [
120,
160
],
"parameters": {
"options": {},
"sheetName": {
"__rl": true,
"mode": "list",
"value": 1780789038,
"cachedResultUrl": "",
"cachedResultName": "Interview_Feedback"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "1cQ-TBf3-dqo7njDYzYpxpASYFvEp8lIzH7vpIqTLcwc",
"cachedResultUrl": "",
"cachedResultName": "N8N_Email_Attachment"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 4.6
},
{
"id": "3440d46a-fd6b-428c-a77b-06b03b522847",
"name": "Check If Feedback Is Submitted",
"type": "n8n-nodes-base.if",
"position": [
360,
160
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "28cdc419-2495-4936-bdee-f871ba07cc2d",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json[\"Feedback Submitted (Y/N)\"] }}",
"rightValue": "Y"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "c9fff58b-e8f0-40b7-90b1-c6fb63416ef0",
"name": "Check for Slack ID",
"type": "n8n-nodes-base.if",
"position": [
640,
180
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "42475361-d80f-44c0-b7b6-b3bd15a6281e",
"operator": {
"type": "string",
"operation": "empty",
"singleValue": true
},
"leftValue": "={{ $json[\"Candidate Slack Id\"] }}",
"rightValue": ""
}
]
}
},
"typeVersion": 2.2
},
{
"id": "f2ac87d5-06d8-417c-aeed-f41fb49085e1",
"name": "Send Slack Reminder",
"type": "n8n-nodes-base.slack",
"position": [
940,
300
],
"parameters": {
"text": "={{ $json[\"Areas of Improvement\"] }}",
"user": {
"__rl": true,
"mode": "id",
"value": "={{ $json[\"Candidate Slack Id\"] }}"
},
"select": "user",
"otherOptions": {}
},
"credentials": {
"slackApi": {
"name": "<your credential>"
}
},
"typeVersion": 2.3
},
{
"id": "3564776b-8617-4857-95b7-c12ba50a3268",
"name": "Send Email Reminder",
"type": "n8n-nodes-base.gmail",
"position": [
940,
60
],
"parameters": {
"sendTo": "={{ $json[\"Candidate Email\"] }}",
"message": "={{ $json[\"Areas of Improvement\"] }}",
"options": {
"appendAttribution": false
},
"subject": "={{ $json.Recommendation }}",
"emailType": "text"
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 2.1
},
{
"id": "c6513c53-c950-4eb8-bb75-d21167549b3a",
"name": "Update Reminder Status",
"type": "n8n-nodes-base.googleSheets",
"position": [
1200,
180
],
"parameters": {
"columns": {
"value": {
"Position": "={{ $('Check for Slack ID').item.json.Position }}",
"Strengths": "={{ $('Check for Slack ID').item.json.Strengths }}",
"Interview ID": "={{ $('Check for Slack ID').item.json[\"Interview ID\"] }}",
"Candidate Name": "={{ $('Check for Slack ID').item.json[\"Candidate Name\"] }}",
"Interview Date": "={{ $('Check for Slack ID').item.json[\"Interview Date\"] }}",
"Rating (1\u20135)": "={{ $('Check for Slack ID').item.json[\"Rating (1\u20135)\"] }}",
"Recommendation": "={{ $('Check for Slack ID').item.json.Recommendation }}",
"Candidate Email": "={{ $('Check for Slack ID').item.json[\"Candidate Email\"] }}",
"Interview Stage": "={{ $('Check for Slack ID').item.json[\"Interview Stage\"] }}",
"Interviewer Name": "={{ $('Check for Slack ID').item.json[\"Interviewer Name\"] }}",
"Skills Evaluated": "={{ $('Check for Slack ID').item.json[\"Skills Evaluated\"] }}",
"Candidate Slack Id": "={{ $('Check for Slack ID').item.json[\"Candidate Slack Id\"] }}",
"Additional Comments": "={{ $('Check for Slack ID').item.json[\"Additional Comments\"] }}",
"Areas of Improvement": "={{ $('Check for Slack ID').item.json[\"Areas of Improvement\"] }}",
"Feedback Submitted (Y/N)": "=Y"
},
"schema": [
{
"id": "Interview ID",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Interview ID",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Candidate Name",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Candidate Name",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Candidate Email",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Candidate Email",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Candidate Slack Id",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Candidate Slack Id",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Interviewer Name",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Interviewer Name",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Interview Date",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Interview Date",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Interview Stage",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Interview Stage",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Position",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Position",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Skills Evaluated",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Skills Evaluated",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Rating (1\u20135)",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Rating (1\u20135)",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Strengths",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Strengths",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Areas of Improvement",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Areas of Improvement",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Recommendation",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Recommendation",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Additional Comments",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Additional Comments",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Feedback Submitted (Y/N)",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Feedback Submitted (Y/N)",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "defineBelow",
"matchingColumns": [
"Feedback Submitted (Y/N)"
],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {},
"operation": "appendOrUpdate",
"sheetName": {
"__rl": true,
"mode": "list",
"value": 1780789038,
"cachedResultUrl": "",
"cachedResultName": "Interview_Feedback"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "1cQ-TBf3-dqo7njDYzYpxpASYFvEp8lIzH7vpIqTLcwc",
"cachedResultUrl": "",
"cachedResultName": "N8N_Email_Attachment"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 4.6,
"alwaysOutputData": true
}
],
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "254a0e91-bb2b-4271-8036-a3908acde0ae",
"connections": {
"Check for Slack ID": {
"main": [
[
{
"node": "Send Email Reminder",
"type": "main",
"index": 0
}
],
[
{
"node": "Send Slack Reminder",
"type": "main",
"index": 0
}
]
]
},
"Send Email Reminder": {
"main": [
[
{
"node": "Update Reminder Status",
"type": "main",
"index": 0
}
]
]
},
"Send Slack Reminder": {
"main": [
[
{
"node": "Update Reminder Status",
"type": "main",
"index": 0
}
]
]
},
"Daily Reminder Trigger": {
"main": [
[
{
"node": "Fetch Interview Feedback Data",
"type": "main",
"index": 0
}
]
]
},
"Update Reminder Status": {
"main": [
[]
]
},
"Fetch Interview Feedback Data": {
"main": [
[
{
"node": "Check If Feedback Is Submitted",
"type": "main",
"index": 0
}
]
]
},
"Check If Feedback Is Submitted": {
"main": [
[],
[
{
"node": "Check for Slack ID",
"type": "main",
"index": 0
}
]
]
}
}
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
gmailOAuth2googleSheetsOAuth2ApislackApi
Pro
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About this workflow
Send Post‑Interview Feedback Nudges from Google Sheets to Slack (with Email Fallback). Uses googleSheets, slack, gmail. Scheduled trigger; 9 nodes.
Source: https://github.com/weblineindia/n8n-Automate-post-interview-feedback-reminders-using-Google-Sheets-Slack-and-Gmail/blob/main/main.json — original creator credit. Request a take-down →
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