Know the review table before querying it
Inspect the table structure first so a follow-up query uses columns the sheet actually contains.
Trigger
Webhook received
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Action
Get Table Schema
This action is used to get the schema of a table in a google spreadsheet, call this action to get the schema of a table in a spreadsheet before you query the table. analyze table structure and infer column names, types, and constraints. uses statistical analysis of sample data to determine the most likely data type for each column. call this action after calling the list tables action to get the schema of a table in a spreadsheet.
Why this helps
Queries become frustrating when column names and data types are unclear or have changed.
- See available columns before querying
- Reduce errors from assumed field names
- Make spreadsheet questions easier to translate
Setup
Build it in a few focused steps.
- 1Connect Anthropic administrator and Google Sheets once in the Notis portal.
- 2Create an automation in Automations, New Automation, and name the schema check.
- 3Describe which existing table to inspect and ask Notis to summarize its columns, inferred types, and constraints.
- 4Pick a webhook trigger and choose where run reports should go.
- 5Test with one real table and verify the schema summary against its headers and sample rows.
Questions about this workflow
Does schema inspection change spreadsheet data?
No. It analyzes table structure to report column information.
Are inferred types guaranteed?
No. Types are inferred from sample data, so verify them before using the schema for important queries.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Anthropic administrator to Google Sheets. A trigger fires from one place; an action lands in another.
Anthropic administrator triggers
Google Sheets actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Add Sheet to Spreadsheet
Adds a new sheet (worksheet) to a spreadsheet. use this tool to create a new tab within an existing google sheet, optionally specifying its title, index, size, and other properties.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Aggregate Column Data
Searches for rows where a specific column matches a value and performs mathematical operations on data from another column.
Append Dimension
Tool to append new rows or columns to a sheet, increasing its size. use when you need to add empty rows or columns to an existing sheet.
Batch get spreadsheet
Retrieves data from specified cell ranges in a google spreadsheet; ensure the spreadsheet has at least one worksheet and any explicitly referenced sheet names in ranges exist.
Batch update spreadsheet
Updates a specified range in a google sheet with given values, or appends them as new rows if `first cell location` is omitted; ensure the target sheet exists and the spreadsheet contains at least one worksheet.
Batch Update Values by Data Filter
Tool to update values in ranges matching data filters. use when you need to update specific data in a google sheet based on criteria rather than fixed cell ranges.
Clear Basic Filter
Tool to clear the basic filter from a sheet. use when you need to remove an existing basic filter from a specific sheet within a google spreadsheet.
Clear spreadsheet values
Clears cell content (preserving formatting and notes) from a specified a1 notation range in a google spreadsheet; the range must correspond to an existing sheet and cells.
Connect any two apps with Notis in the middle.
Anthropic administrator and Google Sheets, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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