Hey there,
I did a podcast episode / tutorial with Rosaria on this - she published it on her substack mydataguest:
I also published two beginner articles on medium:
https://medium.com/low-code-for-advanced-data-science/ai-agents-in-knime-5-5-933ac54dca84
https://medium.com/low-code-for-advanced-data-science/ai-agents-in-knime-5-5-part-2-eded98a9f57b
Maybe these resources can help get you started 