MetaX for Windows 016. Params part 2. Setting up a router function to gather arguments that will dictate the flow of the addon 016. Params part 2. Setting up a router function to gather arguments that will dictate the flow of the addon Params part 2. Setting up a router function to gather arguments that will dictate the flow of the addon. Params part 2. Setting up a router function to gather arguments that will dictate the flow of the addon. 17 min. Tutorial Videos