how to pass a credntials variable to a python script

Hi - I am trying continue my journey in using our local company LLM. I can now connect using a Python script but I am struggling use the Credentials node to pass the API key to the script rather than hard coding

I think the following snippet is the call for the flow variable.

try:

apikey = knimeio.flow_variables[‘credentials’]

except KeyError:

raise ValueError(“API Key not found. Please connect a ‘Credentials Configuration’ node with a flow variable named ‘credentials’.”)

screenshots of the Credentails node and the relevant area of the Python script.

When looking at the python script config the Flow Variables input shows that the credentials is “not supported” ?

I am sure I am missing something obvious in the variable connection