# Java ME Embedded Project Properties Dialog Box: Application Descriptor

Use the tabs of the Application Descriptor panel to customize the project configuration as follows:

- add, edit, or delete the attributes of a MIDlet suite or a LIBlet on the Attributes tab
- add, remove, or change the order of MIDlets within a MIDlet suite on the MIDlets tab
- register MIDlets with a suite's push registry on the Push Registry tab
- set permission attributes for protected APIs called by the MIDlet Suite on the API Permissions tab

Element | Description
--- | ---
Attributes tab | Use the buttons on the right side of the tab to add, remove, and modify an attribute. You can perform any of the following: Add. Enables you to add an attribute. Edit. Enables you to edit the selected custom attribute. Remove. Removes the selected attribute. You cannot remove a required attribute.
Packaging Model | Specifies a MIDlet suite or a LIBlet package.
General Attributes for JAD and JAR Manifest | Displays the type, name, and value of an attribute.
Type | Displays a field that cannot be edited, and lists whether the attribute is: Required, Optional, Custom, JAD only, Manifest only, or Forced.
Required | Indicates an attribute that is required by the MIDP standard.
Optional | Indicates an attribute that provides information about the MIDlet suite. This is information that is not required by MIDP to run the MIDlet.
Custom | Indicates a user-defined attribute. Custom attributes cannot begin with the prefix `Midlet-`.
JAD only | Indicates a custom attribute stored only in the JAD file.
Manifest only | Indicates a custom attribute stored only in the JAR Manifest file.
Forced | Indicates an attribute that overrides the value for a Profile or Configuration version than is shown in the Platform Properties page.
Name | Displays he name of the attribute. Only custom field names can be edited.
Value | Displays the values for each attribute.
Override JAR URL in JAD | Enables you to customize the URL for the JAR file. Check this option and enter a custom JAR file name.
MIDlets tab | Use the buttons on the right side of the tab to add, remove, modify, and change the order of MIDlets. You can perform any of the following: Add. Enables you to add a MIDlet. Edit. Enables you to edit the selected MIDlet. Remove. Removes the selected MIDlet. Move Up. Places the selected MIDlet higher in the list. Move Down. Places the selected MIDlet lower in the list.
Name | Shows the displayable name of the MIDlet that the user sees when the MIDlet is run on a mobile device.
Class | Displays the Java class that for the MIDlet.
Icon | Displays an icon (a `.png` file), representing the MIDlet, that the user sees when the MIDlet is run on a mobile device.
Push Registry tab | Use the buttons on the right side of the tab to add, remove, modify, and change the order of push registry entries. You can perform any of the following: Add. Enables you to add a push registry entry. Edit. Enables you to edit the selected push registry entry. Remove. Removes the selected push registry entry. Move Up. Places the selected push registry entry higher in the list. Move Down. Places the selected push registry entry lower in the list.
MIDlet Class | Displays the MIDlet's class name.
Sender IP. | Displays a valid sender that can launch the associated MIDlet. If the value is the wildcard (`*`), connections from any source are accepted. If datagram or socket connections are used, the value of Allowed Sender can be a numeric IP address. For example, `129.70.40.*`
Connection String | Displays a connection string that identifies the connection protocol and port number. For example, `sms://:50000`
API Permissions tab | Use the buttons on the right side of the tab to add, remove, and modify a permission. You can perform any of the following: Add. Enables you to add a permission. Edit. Enables you to edit the selected permission. Remove. Removes the selected permission.
API | Displays the API permissions requested by the MIDlet.
Required | Makes the permission required. At installation, if the required permission cannot be granted by the application management software, the application is not installed. If this option is not checked, the permission is optional. If an optional permission is denied, the application might continue to function, although its functionality can be limited

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