Unverified50% confidenceSolutionExact time
The core logic of the workflow is date matching: an n8n node triggers periodically, queries Google Sheets for records whose date equals today, and if any exist, proceeds to the sending branch.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/18/2026
First Seen
Valid until: 1/16/2027
Sources
Free Automated Email Marketing: n8n + Google Sheets in Practice
youtubeTechFix with Nadia10/18/2026
Related Entities
Related Claims
Unverifiedn8n's Google Sheets Update Row operation relies on the "Key Column" to locate the row to update, usually choosing the row number or a unique field; if the key column contains duplicate values, it may update only the first match, or even overwrite unintended rows.67% similarUnverifiedThe 'Map Each Column Manually' mode of the Google Sheets node requires manually specifying which input field each column corresponds to, and n8n first reads the header row of the target sheet as the list of selectable columns.64% similarUnverifiedIn an n8n workflow, when the upstream is an array returned by Google Sheets, the Filter node conditions should reference the property names of each row object rather than the spreadsheet's display column headers.62% similarUnverifiedPre-storing or quickly computing Top-K results at each prefix node enables constant query cost — returning a fixed Top-K regardless of how many entries the prefix matches — and is the key to flattening P99 latency.59% similarUnverifiedn8n's Merge node can merge two data streams by appending positionally or matching by key value, and the Summarize node performs aggregation operations such as sum, average, and count and supports grouping by field.57% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1061679API
curl https://kongchang.com/api/v1/knowledge/claims/1061679MCP
get_claim(id=1061679)