in the 'fed_migrate' input parameter.
# Create arvbox containers fedbox(1,2,3) for the federation
-$ cwltool --enable-ext arvbox-make-federation.cwl --arvbox_base ~/.arvbox > fed.json
+$ cwltool arvbox-make-federation.cwl --arvbox_base ~/.arvbox > fed.json
# Configure containers and run tests
$ cwltool fed-migrate.cwl fed.json