# Beam Timestamp

## <img src="/files/nB8yNwAo2BFcKTqxVvaS" alt="" data-size="line"> Beam Timestamp

### Description <a href="#description" id="description"></a>

The Beam Timestamp transform adds a custom timestamp using the Beam execution engine.

| Hop Engine | X            |
| ---------- | ------------ |
| Spark      | <sup>✓</sup> |
| Flink      | <sup>✓</sup> |
| Dataflow   | <sup>✓</sup> |

### Options

| Option                                           | Description                                                             |
| ------------------------------------------------ | ----------------------------------------------------------------------- |
| Transform name                                   | Name of the transform, this name has to be unique in a single pipeline. |
| The time field to use. Uses system time if blank | The field containing the timestamp, will use system time is empty.      |
| Get timestamp from stream?                       | Returns the event time field if it is defined within the stream.        |


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.primeur.com/data-shaper-1.21/knowing-the-data-shaper-designer/pipelines/transforms/beamtimestamp.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
