After you specify a tree type and a unique format tree ID on the initial screen of the Data Medium Exchange Engine (DMEE), the DMEE: Create Format Tree <format tree> screen appears. It is divided into three parts:
On the left side of the screen, you define your format tree by inserting nodes in a hierarchical structure.
When you insert a node in the format tree, detailed information is displayed to the right of the tree in the top frame. Here you specify additional data depending on the tree and node type. The information is displayed like a card index; you navigate between different areas by choosing the tabs along the top.
To display the details for any node, you double-click it in the left-hand tree structure. The details then appear in the top right frame, and the node you have thus selected is highlighted in the structure with a blue arrow ().
The bottom right frame contains all source fields (for outgoing files) or target fields (for incoming files) that the system makes available for you, based on the tree type you specified on the initial DMEE screen. These fields make up the