{"product_id":"n8n-workflow-probation-reviews-slack-alerts-google-sheets","title":"n8n Workflow: Probation Reviews, Slack Alerts \u0026 Google Sheets","description":"\u003ch3\u003eKeep probation deadlines on track—automatically send Slack reminders, capture new hires, and record outcomes in Google Sheets\u003c\/h3\u003e\n\u003cp\u003eThis n8n workflow monitors employee probation periods stored in \u003cstrong\u003eGoogle Sheets\u003c\/strong\u003e, sends scheduled \u003cstrong\u003eSlack\u003c\/strong\u003e reminders as deadlines approach, and captures final probation decisions from \u003cstrong\u003eSlack emoji reactions\u003c\/strong\u003e. New-hire probation details are collected via an \u003cstrong\u003en8n Form\u003c\/strong\u003e, validated to prevent duplicates, and confirmed to managers by \u003cstrong\u003eGmail\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRuns daily on a schedule\u003c\/strong\u003e to pull all probation records from Google Sheets.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalculates the probation deadline\u003c\/strong\u003e using \u003cem\u003eStartDate + Duration\u003c\/em\u003e or an \u003cem\u003eExtendedUntil\u003c\/em\u003e value.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePosts the correct Slack reminder tier\u003c\/strong\u003e (30\/15\/0-day messages) when deadlines are due.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUpdates Google Sheets\u003c\/strong\u003e to mark that the appropriate reminder tier was sent.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCollects new probation details\u003c\/strong\u003e from an n8n Form trigger, validates the submission, and checks Google Sheets to \u003cstrong\u003eprevent duplicate Employee IDs\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEmails managers via Gmail\u003c\/strong\u003e after acceptance or rejection—sending the rejection reason when not accepted.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWaits for Slack reactions\u003c\/strong\u003e (when a reaction is added), extracts the \u003cstrong\u003eEmployee ID\u003c\/strong\u003e from the reacted reminder message, and matches it to the correct Google Sheets row.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eValidates the emoji decision and the reactor\u003c\/strong\u003e (must match the assigned manager), then updates Google Sheets with the probation decision (or a \u003cstrong\u003e30-day extension\u003c\/strong\u003e) and posts confirmations to Slack, including an offboarding alert if applicable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHR and operations teams managing probation tracking without manual spreadsheet updates.\u003c\/li\u003e\n  \u003cli\u003eSaaS operators who want reliable, scheduled Slack notifications tied to Google Sheets data.\u003c\/li\u003e\n  \u003cli\u003eAutomation engineers building an end-to-end probation review system using n8n, Slack reactions, and manager approvals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrations\/Nodes:\u003c\/strong\u003e Google Sheets, Slack, Gmail, n8n Form\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorkflow logic tools:\u003c\/strong\u003e \u003cem\u003eif\u003c\/em\u003e, \u003cem\u003eset\u003c\/em\u003e, \u003cem\u003ecode\u003c\/em\u003e, plus \u003cem\u003eSticky Note\u003c\/em\u003e for in-workflow guidance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDemo video: \u003ca href=\"https:\/\/www.linkedin.com\/feed\/update\/urn:li:activity:7501978993257148416\/\" target=\"_blank\" rel=\"noopener\"\u003eLinkedIn\u003c\/a\u003e\u003c\/p\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":45967536259251,"sku":"N8N-19267","price":22.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/8x45A4eOtCpVDPPwaaGKw_ZXvoRQOh.png?v=1788685641","url":"https:\/\/buyflowscripts.com\/products\/n8n-workflow-probation-reviews-slack-alerts-google-sheets","provider":"N8N Commerce","version":"1.0","type":"link"}