{"product_id":"google-sheets-multi-step-approvals-to-slack-n8n-workflow","title":"Google Sheets Multi-Step Approvals to Slack (n8n Workflow)","description":"\u003ch3\u003eGet a Slack alert only when your projects are fully approved—powered by Google Sheets + n8n\u003c\/h3\u003e\n\u003cp\u003eThis n8n workflow monitors multi-step design and engineering sign-offs in Google Sheets and sends a single \u003cstrong\u003eSlack notification\u003c\/strong\u003e only after \u003cstrong\u003eAll Approved\u003c\/strong\u003e is true—preventing duplicate alerts by marking each project as “Slack Notified” in your approval tracking sheet.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDesign sign-off tracking:\u003c\/strong\u003e When a new row is added to your \u003cem\u003edesign sign-offs\u003c\/em\u003e Google Sheets worksheet, the workflow matches the \u003cstrong\u003eProject ID\u003c\/strong\u003e in the approval tracking Google Sheet and sets \u003cstrong\u003eDesign Approved\u003c\/strong\u003e to \u003cstrong\u003etrue\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngineering sign-off tracking:\u003c\/strong\u003e When a new row is added to your \u003cem\u003eengineering sign-offs\u003c\/em\u003e worksheet, it looks up the matching \u003cstrong\u003eProject ID\u003c\/strong\u003e and sets \u003cstrong\u003eEngineering Approved\u003c\/strong\u003e to \u003cstrong\u003etrue\u003c\/strong\u003e in the tracking sheet.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinal approval + Slack notification:\u003c\/strong\u003e When a row in the approval tracking sheet is updated, the workflow checks whether \u003cstrong\u003eAll Approved\u003c\/strong\u003e is \u003cstrong\u003etrue\u003c\/strong\u003e and \u003cstrong\u003eSlack Notified\u003c\/strong\u003e is not yet set.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSingle alert guarantee:\u003c\/strong\u003e If the project is fully approved, it sends a Slack message announcing completion and then updates the tracking row to set \u003cstrong\u003eSlack Notified\u003c\/strong\u003e, so the same project won’t trigger duplicate notifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eNotify your team in \u003cstrong\u003eSlack\u003c\/strong\u003e immediately when a design + engineering review has fully cleared for a project.\u003c\/li\u003e\n  \u003cli\u003eReduce manual follow-ups by automating sign-off status updates in a centralized approval tracking Google Sheet.\u003c\/li\u003e\n  \u003cli\u003eEnsure compliance-style auditability by recording each approval step and final notification state in the tracking sheet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGoogle Sheets Trigger:\u003c\/strong\u003e Detects new design sign-off rows and new engineering sign-off rows.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGoogle Sheets lookup + update:\u003c\/strong\u003e Finds records by \u003cstrong\u003eProject ID\u003c\/strong\u003e and updates approval fields.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eif logic:\u003c\/strong\u003e Checks \u003cstrong\u003eAll Approved\u003c\/strong\u003e and whether \u003cstrong\u003eSlack Notified\u003c\/strong\u003e is not yet set before sending the Slack message.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlack node:\u003c\/strong\u003e Sends the “fully approved” notification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSetup requirements:\u003c\/strong\u003e Configure Google Sheets OAuth for both trigger and update nodes, select the correct spreadsheet\/worksheets for design, engineering, and approval tracking, and ensure they share a \u003cstrong\u003eProject ID\u003c\/strong\u003e column. In the tracking sheet, add fields for \u003cstrong\u003eDesign Approved\u003c\/strong\u003e, \u003cstrong\u003eEngineering Approved\u003c\/strong\u003e, \u003cstrong\u003eSlack Notified\u003c\/strong\u003e, and an \u003cstrong\u003eAll Approved\u003c\/strong\u003e field (commonly a formula).\u003c\/p\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":45824198377651,"sku":"N8N-18190","price":66.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/K3kGPqSz2GxMFyHd5ma7k_BylEZGFy.png?v=1786611682","url":"https:\/\/buyflowscripts.com\/products\/google-sheets-multi-step-approvals-to-slack-n8n-workflow","provider":"N8N Commerce","version":"1.0","type":"link"}