Check analytics schema as submissions arrive
When submissions begin, confirm which data structures are available for the analysis you want to build.
Trigger
New Canvas Assignment Submission
Polls Canvas for new submissions to a specific assignment.
Action
Get Database Schema
Get comprehensive schema overview of an entire database including all tables and optionally their column definitions. essential for ai agents to understand the complete database structure in a single call.
Why this helps
Teams can start collecting submissions before confirming that the analytics database has the structures needed to report on them.
- See available database structures at the point submission activity begins.
- Identify whether needed tables and columns appear to exist.
- Make schema gaps visible before committing to an analysis.
Setup
Build it in a few focused steps.
- 1Connect Canvas and ClickHouse once in the Notis portal.
- 2Create an automation and state what submission analytics you expect to support.
- 3Ask Notis to retrieve the relevant ClickHouse schema and report whether those structures appear available.
- 4Pick New Canvas Assignment Submission as the trigger and choose a report channel.
- 5Test with one real submission event.
Questions about this workflow
Can the schema overview confirm that submission rows exist?
No. It describes database structure. Use a query action to inspect records after identifying the relevant table.
How does it know the expected analytics?
Describe the desired analysis in the prompt. The trigger does not include configurable filters or mapping screens.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Canvas to ClickHouse. A trigger fires from one place; an action lands in another.
Canvas triggers
ClickHouse actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Execute ClickHouse Query
Execute a sql query in clickhouse and return the results. this is the primary action for querying data from clickhouse databases.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Get Database Schema
Get comprehensive schema overview of an entire database including all tables and optionally their column definitions. essential for ai agents to understand the complete database structure in a single call.
Canvas Assignment Graded
Polls Canvas for newly graded submissions for a specific assignment.
Get Table Schema
Get detailed schema information for a specific table including column definitions, types, keys, and optionally sample data. this is essential for ai agents to understand table structure before constructing queries.
New Canvas Assignment Submission
Polls Canvas for new submissions to a specific assignment.
List ClickHouse Databases
List all databases in the clickhouse instance. useful for discovering available databases before querying tables.
New Canvas Discussion Message
Polls Canvas discussion topics for new messages.
List ClickHouse Tables
List tables in clickhouse databases. returns information about tables including their engine, size, and row count.
New Canvas Discussion Topic
Polls a Canvas course for new discussion topics.
New Course Created for User
Polls Canvas for newly created courses for a specific user.
New Canvas File Upload
Polls a Canvas course for new file uploads.
Connect any two apps with Notis in the middle.
Canvas and ClickHouse, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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