This function returns the common data class CDC of the
specified data object pDO and the basic type of the specified
data attribute pDA.
The `CDC` of a given `pDO` is determined based on NSD files. This function therefore assumes the `pDO` to be a data object defined in the namespace of the IEC 61850-7-4 and IEC 61850-7-3
This function returns the common data class
CDC
of the specified data objectpDO
and the basic type of the specified data attributepDA
.