componentSubType
A 4-byte code that you can use to indicate the purpose of a component. For example, you could use lpas or lowp as a mnemonic indication that an audio unit is a low-pass filter.
Declaration
var componentSubType: OSTypeA 4-byte code that you can use to indicate the purpose of a component. For example, you could use lpas or lowp as a mnemonic indication that an audio unit is a low-pass filter.
var componentSubType: OSType