Several ways are possible here. The created files can always be found in the AppData (active configuration) under "scripts/bosch/tiger/..." after you clicked compile:
graphical programming (see video):
Run your first script
click "Home"
Chosse second project
Run second project
REST interface: See this post.
NodeRed: See this post.
PLC:
Use e.g. the library CXA_PYTHON
Or Use direct access to the Data Layer like with REST.
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