# Properties tab

Properties tab contains information on applications properties. It have no relation to SDAI directly. All properties listed in this tab can also be found in SdaiEdit.properties file located in repos path as special directory application.

### Developer

Developer check box will switch on and of links from pages to dictionary data. This is needed for users who are not interested in meta data. Usually type labels contains links to meta data.

### Split

On Entity Instance and Instance Mapping pages attributes types and values are separated with split component where you can change sizes between these to areas. By default all attributes are aligned to one split, so all attributes values begins at same position. If you want you can make that attributes value will be split by entity data types. So you will have more space for attributes values, but attributes will not be aligned by one line.

### Mapping mode

This will impact users witch are working with mapping. There are three level restrictions for mapping related data. First one (default) is no restrictions. Second one will impact displayed types available for instances. If selected it will ignore not specific types for instances representation. Third will require all mandatory attributes to be set. Otherwise it will be minded as not fulfill mapping and will not be shown.

### Working directory

This will represent default directory where yours part 21 files will be placed or taken. It will change automatically if you will choose other path in save or open dialogs. Also you can specify it here, by typing in field or choosing from dialog.

### Clipboard

Clipboard shows data stored in our own session clipboard which is common for all application ran on same java virtual machine. It is used for editing operations in SdaiEdit. here you can view all you clipboard content.

### Changing properties

At the beginning all properties in page are disabled. If you want to change them you need to press Edit button. After that you will be able change them. Then you can Accept or Cancel changes. Accept will reset all you changed properties for pages immediately.