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hasParameter

hasParameter(nameOrID)

Description

Function to check if a parameter exists. The parameter can be determined by name or ID.

Available in: Controller, Processor.

Arguments

Return Values

Returns true if the parameter exists or false if not.

Example

-- Check if the elements in the Program Tree have filter cutoff.

function onLoadIntoSlot()
    childs = this.program:findChildren(true)
    for i, child in ipairs(childs) do
        if child:hasParameter("Filter.Cutoff") then
            print(child.name.." has filter cutoff.")
        else
            print(child.name.." has no filter cutoff.")
        end
    end
end

See also: getParameter, setParameter, getParameterNormalized, setParameterNormalized