If you are using version 7.0 of the Enterprise schema or you have created an association with a defect record and the TMTestLog, when you submit a defect the defect is populated with default values.
The Submit action populates the Headline and Description fields of an associated defect record. If you are using a Reference_List association to other record types, the Submit action populates the record only if the record type has Headline and Description fields:
For more information, see About submitting a defect from a test result and Submitting a defect from the Test Results view or Test Manager view.