> ## Documentation Index
> Fetch the complete documentation index at: https://mintlify.com/electron-userland/electron-builder/llms.txt
> Use this file to discover all available pages before exploring further.

# AppImage

> Configuration options for building AppImage packages with electron-builder

The top-level `appImage` key contains set of options instructing electron-builder on how it should build [AppImage](https://appimage.org/).

<Info>
  **Desktop Integration**

  Since electron-builder 21 desktop integration is not a part of produced AppImage file. [AppImageLauncher](https://github.com/TheAssassin/AppImageLauncher) is the recommended way to integrate AppImages.
</Info>

## Configuration

<ParamField path="license" type="string">
  The path to EULA license file. Defaults to `license.txt` or `eula.txt` (or uppercase variants). Only plain text is supported.
</ParamField>

<ParamField path="synopsis" type="string">
  The [short description](https://www.debian.org/doc/debian-policy/ch-controlfields.html#s-f-Description).
</ParamField>

<ParamField path="description" type="string">
  As [description](/configuration#description) from application package.json, but allows you to specify different for Linux.
</ParamField>

<ParamField path="category" type="string">
  The [application category](https://specifications.freedesktop.org/menu-spec/latest/apa.html#main-category-registry).
</ParamField>

<ParamField path="mimeTypes" type="string[]">
  The mime types in addition to specified in the file associations. Use it if you don't want to register a new mime type, but reuse existing.
</ParamField>

<ParamField path="desktop" type="LinuxDesktopFile">
  The [Desktop file](https://developer.gnome.org/documentation/guidelines/maintainer/integrating.html#desktop-files)

  <Expandable title="properties">
    <ParamField path="desktop.entry" type="Record<string, string>">
      `[Desktop Entry]` metadata entries (name to value). Overwrites default values calculated by electron-builder.

      Example Spec: [freedesktop.org Desktop Entry Specification](https://specifications.freedesktop.org/desktop-entry-spec/latest/example.html)
    </ParamField>

    <ParamField path="desktop.desktopActions" type="Record<string, any>">
      `[Desktop Actions <ActionName>]` metadata entries (name to value).

      ```js theme={null}
      desktopActions: {
        NewWindow: {
          Name: 'New Window',
          Exec: 'app --new-window',
        }
      }
      ```
    </ParamField>
  </Expandable>
</ParamField>

<ParamField path="executableArgs" type="string[]">
  The executable parameters. Pass to executableName
</ParamField>