A free-form string that identifies the type of external ID. It is mutually exclusive with #GDataGContactExternalID:relation-type.
For more information, see the
A programmatic value that identifies the type of external ID. It is mutually exclusive with #GDataGContactExternalID:label. Examples are %GDATA_GCONTACT_EXTERNAL_ID_NETWORK or %GDATA_GCONTACT_EXTERNAL_ID_ACCOUNT.
For more information, see the
The value of the external ID.
For more information, see the
Specifies whether the object was constructed by parsing XML or manually.