DBO.EQ_STD_COUNTRY_CODE_FROM_NAME(Parameter1)
This function expects the country name as an input and will return the ISO 3166-1 3 Letter Code. If you simply want the code for the Assignment From/To Country, you can use the Assignment Derived Calculations data source, From/To Country Code (3 Char) fields.
Parameter(s)
Parameter1: Any field in the system where the country name is stored e.g. [Employee: Country of Birth].
Example(s)
Example 1: Return the ISO 3166-1 3 Letter Code for an employee's country of birth.
DBO.EQ_STD_COUNTRY_CODE_FROM_NAME([Employee: Country of Birth])