Mapping of Customized Fields during Check In
Customized fields which are used in defining the mapping rule, for TO_CAD mapping, and
      get populated only after Check -In operation, needs to handled in a special way. This is
      needed so that their values are correctly updated in the CAD file.
    Follow the below steps to set up this feature.
Note: MAPPING TEMPLATE " NAME " and the PLMFIELD " FIELD " must be in
      Upper-Case.
    - Create a file ModifiedMappingRulesForCheckIn.xml in the %CFE_CLIENT_HOME%Toolkit directory. The file must contain the following syntax:
 - Modify the contents of the ModifiedMappingRulesForCheckIn.xml file to
        match the specific requirement. Perform the following steps to modify the content:
- Enter a relevant template name.
 - Enter a customized field name for the PLMFIELD. The PLMFIELD must have a TO_CAD mapping rule defined in this template.
 - Type EVALUATE indicates the value that can be taken from the system variables like:
- CURRENT_DATE
 - PLM_USER
 - CURRENT_TIME
 - CURRENT_DATE_TIME
 
 - Type indicates the value which can be another field from the PLM table.
 - Type LITERAL indicates that during mapping,
            this field will be assigned with the mentioned constant value.Note: Only the options specified above are supported by the PLM.