prefix 

The required prefix attribute is an XML name with no colon character.

Attribute Information

Used By

Element sch:ns

Source 

<xs:attribute name="prefix" use="required" type="sch:nameValue">
  <xs:annotation>
    <xs:documentation>The required prefix attribute is an XML name with no colon character.</xs:documentation>
  </xs:annotation>
</xs:attribute>

Sample