# Default behaviors

If the original image is missing or the original image url is not accessible, you can define what default image to show to the end user who is trying to access the url.

<figure><img src="/files/Hvei7nJeZ8fVIn9WX7vl" alt=""><figcaption></figcaption></figure>

You can also select the type of response:

1. HTTP 200 with default image
2. HTTP 200 with transparent 1x1 px GIF (V7 API only)
3. HTTP 404 with default image
4. HTTP 404 with empty image (body = 0 bytes)

<figure><img src="/files/Li6Bb4ER0fSK0q7eFrrn" alt=""><figcaption></figcaption></figure>


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# 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.scaleflex.com/dynamic-media-optimization-dmo/settings/delivery/default-behaviors.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.