eXist options:
URI to the installed eXist engine. If you like to set a default collection you have to first press the Refresh button in order for the Collection list to be populated.
User name to access the eXist database engine
Password to access the eXist database engine
eXist organizes all documents in hierarchical collections. Collections are like directories. They are used to group related documents together. This combo box is populated after pressing the Refresh button and allows the user to set the default collection name.