<model> <name>gain</name> <type>Analog</type> <node_number>2</node_number> <title>Add Parameter for model gain</title> <split>None</split> <param> <in_offset default="0.0">Enter offset for input (default=0.0)</in_offset> <gain vector="2" default="1.0">Enter gain (default=1.0)</gain> <out_offset default="0.0">Enter offset for output (default=0.0)</out_offset> </param> </model>