[ CCode ( has_construct_function = false ) ]
public GContactExternalID (string value, string? relation_type, string? label)
Creates a new GContactExternalID.
More information is available in the <ulink type="http" url="http://code.google.com/apis/contacts/docs/3.0/reference.html#gcExternalId">gContact specification</ulink>.
Exactly one of relation_type and label should be provided; the other must be null
.
| value |
the value of the external ID |
| relation_type |
the type of external ID, or null |
| label |
a free-form label for the external ID, or null |
|
a new GContactExternalID; unref with unref |