time-certainty 

For TBA times.

Attribute Information

Used By

Complex Type baseEventMetadataComplexType

Source 

<xs:attribute name="time-certainty" use="optional">
  <xs:annotation>
    <xs:documentation>For TBA times.</xs:documentation>
  </xs:annotation>
  <xs:simpleType id="timeCertainty">
    <xs:restriction base="xs:string">
      <xs:enumeration id="timeCertaintyCertain" value="certain"/>
      <xs:enumeration id="timeCertaintyTo-be-announced" value="to-be-announced"/>
    </xs:restriction>
  </xs:simpleType>
</xs:attribute>

Sample