FlexDuct.IsHVACSystemTypeId
Description:
Checks if given type is valid HVAC system type.
Checks if given type is valid HVAC system type.
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documentThe document.
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systemTypeIdElementId of the HVAC system type to check.
Return Value
bool
True if the given systemTypeId is the HVAC system type, false otherwise.
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A non-optional argument was null