# IsImageFile

## Syntax

```
IsImageFile( value )
```

## Arguments

| Name  | Type | Required | Description                                           |
| ----- | ---- | -------- | ----------------------------------------------------- |
| value | any  | Yes      | The file path or URL to check if it is an image file. |

## Returns

`Boolean` — Returns `true` if the value is a valid image file or URL, otherwise `false`.

## Description

Determines whether the provided value is a valid image file or image URL. Useful for validating file paths or URLs before attempting to read or process images.

## Example

```boxlang
// Check if a file is an image
if ( IsImageFile( "images/photo.png" ) ) {
    img = ImageRead( "images/photo.png" );
}

// Check if a URL is an image
if ( IsImageFile( "https://example.com/image.jpg" ) ) {
    img = ImageRead( "https://example.com/image.jpg" );
}
```

## Related BIFs

* IsImage
* ImageRead
* ImageNew

## Notes

* Returns `true` for valid image files or URLs that can be read as images.
* Returns `false` if the file or URL is not a valid image or cannot be read.
* Use this BIF to validate paths before calling image-related functions.


---

# 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://boxlang.ortusbooks.com/boxlang-framework/modularity/image-manipulation/reference/built-in-functions/isimagefile.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.