The ParameterDefinition class describes the properties of parameters.

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Class Hierarchy


ParameterDefinition Class


The ParameterDefinition object describes the properties of a parameter.

Available in: Controller, Processor


.nameReturns the name of the parameter.string
.longNameReturns the long name of the parameter.string
.idReturns the ID of the parameter.number
.typeReturns the data type of the parameter.string
.defaultReturns the default value of the parameter.number
.minReturns the minimum value of the parameter.number
.maxReturns the maximum value of the parameter.number
.readOnlyReturns true if the value of the parameter is read-only and false if it is not.boolean
.writeAlwaysReturns true if the value is always set and false if it is not. If this returns true, the parameter sends a changed message even if the actual value did not change when it was set.boolean
.automatableReturns true if the parameter can be automated and false if it cannot.boolean
.persistentReturns true if the parameter restores from the VST preset and false if it does not.boolean
.unitReturns the unit of the parameter value, for example, dB.string


-- print the parameter definition with corresponding data type of the parent layer's level parameter
function onLoadIntoSlot()

    local def = this.parent:getParameterDefinition("Level")

    print("Name = "", "..type(
    print("Long Name = "..def.longName..", "..type(def.longName))
    print("ID = "", "..type(
    print("Type = "..def.type..", "..type(def.type))
    print("Default = "..def.default..", "..type(def.default))
    print("Min = "..def.min..", "..type(def.min))
    print("Max = "..def.max..", "..type(def.max))
    print("Read Only = "..tostring(def.readOnly)..", "..type(def.readOnly))
    print("Write Always = "..tostring(def.writeAlways)..", "..type(def.writeAlways))
    print("Automatable = "..tostring(def.automatable)..", "..type(def.automatable))
    print("Persistent = "..tostring(def.persistent)..", "..type(def.persistent))
    print("Unit = "..def.unit..", "..type(def.unit).."\n")


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