Design first iteration of data input UX in editor

Design how new data passing API (data node concept) will appear to designers via Qt 3D Studio 1.0 editor. Most likely this is going to be a minimalistic, simplified version at this point. The design needs to cover:

• How data input list editing looks and behaves?
• How a NUMBER type data input node adding to timeline looks and behaves?
• How TEXT type data input node binding to a text string field looks and behaves?

Terminology: not data node --> data input.