import logging
import knime.extension as knext
LOGGER = logging.getLogger(__name__)

@knext.node(name="My_Flow_Extension", node_type=knext.NodeType.SINK, icon_path="icon.png",category="/")
@knext.input_port(name="Input", description="Data In")
@knext.output_port(name="Output", description="Data Out")

class My_Flow_Extension:
        """
        Short Descripton. Here is the magic, where is the magic ?
        """

def configure(self, config_context):
        return None

def execute(self, exec_context):
        flow_vars = exec_context.flow_variables
        my_var = flow_vars.get("my_variable", "DefaultValue")
        print(f"Received Flow Variable: {my_var}")

        return flow_vars