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The HEADER_SECTION_SCHEMA is a system schema that is part of every EDMdatabase. There is no need to compile this EXPRESS schema, but it is shown here for documentation purposes.

Note that none of the attributes are optional. I.e, to populate a valid header model, all attributes must be assigned a value. The value, however, may be an empty string. Note also that a valid header model must be populated with exactly one instance of each of the three instance types file_description, file_name and file_schema.

The following attributes are automatically set by EDMsix when the data file is exported.

  • file_description . implementation_level
  • file_name . name
  • file_name . time_stamp
  • file_schema . schema_identifiers

If you populate these attributes, their value will be overwritten when exporting data to STEP or XML files.