# Writing to Action Table with OpenAPI
#### Prerequisites
* table\_id for an existing action table
* PAT with scope action\_tables
#### Discover the endpoint via OpenAPI
In API reference document, navigate to Generative Table (v2) → [Add rows to a table](https://jamaibase.readme.io/reference/add_rows_api_v2_gen_tables__table_type__rows_add_post)
#### Create a row (POST)
As shown in Step 2, JamAI Base supports multiple data types, including primitives (integer, float, boolean, text) and file-backed types (image, audio, document). For file-backed types, there’s one extra step: upload the file first, then reference the returned file URI in your create-row request.
Below we’ll demonstrate 2 cases:
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Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://docs.jamaibase.com/developer-reference/openapi-documentation/writing-to-action-table-with-openapi.md?ask=
```
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