sptbl["metro"] = {     files = {        module = "metro.c",        header = "metro.h",        --example = "ex_tone.c",    },     func = {        create = "sp_metro_create",        destroy = "sp_metro_destroy",        init = "sp_metro_init",        compute = "sp_metro_compute",    },     params = {        optional = {             {                name = "freq",                type = "SPFLOAT",                description = "The frequency to repeat.",                default = 2.0            },        }    },     modtype = "module",     description = [[Metronome     Metro produces a series of 1-sample ticks at a regular rate. Typically, this is used alongside trigger-driven modules.]],     ninputs = 0,    noutputs = 1,     inputs = {        {            name = "dummy",            description = "This input doesn't do anything"        },    },     outputs = {        {            name = "out",            description = "Signal out."        },    } }