# startWith

Prepends a sequence of values to an observable sequence with an optional scheduler and an argument list of values to prepend.

## Arguments

1. `[scheduler]` *(`Scheduler`)*: Scheduler to execute the function.
2. `args` *(arguments)*: Values to prepend to the observable sequence.

## Returns

*(`Observable`)*: The source sequence prepended with the specified values.

## Example


---

# 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://soufatn.gitbook.io/rxjs-book/summary/observable/observable_instance_methods/startwith.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.
