RCM Reference The reference number assigned by APM to the function. Functions are numbered sequentially in the order in which they are created. When failure mode optimization requires Isograph Availability Workbench, this attribute is mapped to function ID, functional failure ID, and cause ID in AWB. See Also Analysis Number assigned to the analysis by APM. See Also Asset Asset to which the function applies. See Also Asset Type Category of asset to which the analysis asset belongs. See Also