| Name | Type | Description | Required |
|---|---|---|---|
| Id | String | Unique identifier for the dialog. | Yes |
| CustomPalette | YesNoType | Used to specify if pictures in the dialog box are rendered with a custom palette. | |
| ErrorDialog | YesNoType | Specifies this dialog as an error dialog. | |
| Height | Integer | The height of the dialog box in dialog units. | Yes |
| Hidden | YesNoType | Used to hide the dialog. | |
| KeepModeless | YesNoType | Keep modeless dialogs alive when this dialog is created through DoAction. | |
| LeftScroll | YesNoType | Used to align the scroll bar on the left. | |
| Modeless | YesNoType | Used to set the dialog as modeless. | |
| NoMinimize | YesNoType | Used to specify if the dialog can be minimized. | |
| RightAligned | YesNoType | Align text on the right. | |
| RightToLeft | YesNoType | Used to specify if the text in the dialog should be displayed in right to left reading order. | |
| SystemModal | YesNoType | Used to set the dialog as system modal. | |
| Title | String | The title of the dialog box. | |
| TrackDiskSpace | YesNoType | Have the dialog periodically call the installer to check if available disk space has changed. | |
| Width | Integer | The width of the dialog box in dialog units. | Yes |
| X | Integer | Horizontal placement of the dialog box as a percentage of screen width. The default value is 50. | |
| Y | Integer | Vertical placement of the dialog box as a percentage of screen height. The default value is 50. |