msgnum 

The message number (<<keyword>msgnum</keyword>>) element contains the number
of a message produced by an application or program. This element is part of
the DITA software domain, a special set of DITA elements designed to document
software tasks, concepts and reference information.

Element Information

Model

Attributes

QName Type Fixed Default Use Inheritable Annotation
audience xs:string optional
base xs:string optional
class xs:string + topic/keyword sw-d/msgnum optional 
The class attribute supports specialization. Its predefined values help 
the output transforms work correctly with ranges of related content.
conref xs:string optional
id xs:NMTOKEN optional
importance importance-atts.class optional
keyref xs:string optional
otherprops xs:string optional
outputclass xs:string optional
platform xs:string optional
product xs:string optional
props xs:string optional
rev xs:string optional
status status-atts.class optional
translate yesno-att.class optional
xml:lang xs:language optional 
In due course, we should install the relevant ISO 2- and 3-letter
codes as the enumerated possible values . . .
xtrc xs:string optional
xtrf xs:string optional

Used By

Element Groups msgnum, sw-d-keyword

Source 

<xs:element name="msgnum">
  <xs:annotation>
    <xs:documentation>The message number (<
      <keyword>msgnum</keyword>>) element contains the number of a message produced by an application or program. This element is part of the DITA software domain, a special set of DITA elements designed to document software tasks, concepts and reference information.</xs:documentation>
  </xs:annotation>
  <xs:complexType mixed="true">
    <xs:complexContent>
      <xs:extension base="msgnum.class">
        <xs:attribute ref="class" default="+ topic/keyword sw-d/msgnum "/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
</xs:element>

Sample