# WindowLayoutItemConfig

**Kind**: interface | **Module**: [Workspaces](https://docs.interop.io/desktop/reference/javascript/workspaces/index.md)

**Source**: https://docs.interop.io/desktop/reference/javascript/workspaces/windowlayoutitemconfig/index.html

## Properties

- **`appName`** (`string`, required)
  The name of the application as specified in its definition.
- **`context`** (`any`, optional)
  The context of the window used when restoring the window
- **`instanceId`** (`string`, optional)
  Id used for correlating window instances to layout objects
- **`title`** (`string`, optional)
  The title of the window
- **`url`** (`string`, optional)
  The url of the window, in case it is not a defined as an application.
- **`windowId`** (`string`, optional)
  The id of the window