rule ={ matches = { { {"node.name","equals","alsa_input.usb-Focusrite_Scarlett_Solo_USB_Y70DAWR074D97D-00.analog-stereo"}, } }, apply_properties = { ["node.description"] = "Scarlett Solo Interface Input", ["node.nick"] = "Scarlett Solo Input" } } table.insert(alsa_monitor.rules,rule)