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Data StructureCustom Tables

Custom Tables

Tables that you have not mapped to a data type yet, and how to map them to events, users, groups or ad data.

Last reviewed September 15, 2026

A custom table is a table in your warehouse that does not have a data type yet. Custom is not a data type. It is a temporary state. Map each custom table to a data type in time.

A custom table does not join people, groups or ad data, and identity, metrics and destinations do not use it.

When a Table Is Custom

  • You connected a BigQuery source or uploaded a CSV file, and you did not map the table yet.
  • The shape of the table does not match events, users, groups or ad data yet.
  • You look at raw warehouse data before you decide how it fits the Data Model.

Map a Custom Table to a Data Type

  1. Open the source in Data → Integrations → Sources.
  2. Open the Data tab and click Add object. For a file upload, open the Semantic Mappings tab and click Map a table.
  3. Select the table.
  4. In Data type, select Events, User Properties, Group Properties or Ad Data.
  5. For Group Properties, select the Group type, for example vendo_product or vendo_company.
  6. Map the source columns to the fields of that data type.
  7. Click Create mapping.
  8. Run a sync.

Vendo then uses the table like any other table of that data type. It is part of identity resolution, Data Studio models and destinations.

Choose the Data Type

If one row of the table isSelectSee
An action at a point in timeEventsEvents
A personUser PropertiesUsers
A company, product, deal or other reference recordGroup PropertiesGroups
The ad performance of one dayAd DataAd Data
Need help?

When you contact support, give your workspace, the source or destination name, the job ID and the first error message.

support@vendodata.com
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