Setup todos table permissions

Head over to the Permissions tab under todos table to add relevant permissions.

Insert permission

In the enter new role textbox, type in “user”
click on edit (pencil) icon for “insert” permissions. This would open up a section below which lets you configure custom checks and allow columns.
In the custom check, choose the following condition

{"user_id":{"_eq":"X-Hasura-User-Id"}}

Todos row permission insert

Now under column insert permissions, select the title and is_public columns.

Todos insert column permission

Finally under column presets, select user_id from from session variable mapping to X-HASURA-USER-ID.

Click on Save Permissions.

Now click on edit icon for "select" permissions. In the custom check, choose the following condition

{"_or":[{"is_public":{"_eq":true}},{"user_id":{"_eq":"X-Hasura-User-Id"}}]}

Todos select permission row

Under column select permissions, select all the columns.

Todos select column permission

Click on Save Permissions

Now click on edit icon for "update" permissions. In the custom check, choose With same custom checks as insert.

And under column update permissions, select id and is_completed columns.

Todos update permission

Click on Save Permissions once done.

Finally for delete permission, under custom check, choose With same custom checks as insert, update.

Todos delete permission

Click on Save Permissions and you are done with access control for todos table.