The "Toolbox" (see DMNFlowActionsToolboxControlProvider) currently supports creating "target" nodes from a "source" node and automatically joining "source" to "target" however etirelli has requested the ability to select an existing "target" node and create a new "source" node from the Toolbox with the resulting connector joining "source" to "target". I.E. support creating the inverse of what is currently supported.

• Should be able to create a BKM from Decision (connection from BKM to Decision). At the moment you can select BKM and add Decision, but need to support selecting a Decision and making an incoming BKM
• Should be able to create a KnowledgeSources from bothh Decisions and BKMs. At the moment you can select a KnowledgeSource and adda Decision or BKM, but need to support selecting either a Decision or BKM and making an incoming KS