In this step you will add the instructions that create the story priority to the priority GN4 attribute.
<xsl:variable name="urgency" select="NewsItem/NewsManagement/Urgency/@FormalName"/>
<xsl:attribute name="priority">
<xsl:choose>
<xsl:when test="$urgency < 4">
<xsl:text>high</xsl:text>
</xsl:when>
<xsl:when test="$urgency > 4">
<xsl:text>low</xsl:text>
</xsl:when>
<xsl:otherwise>
<xsl:text>medium</xsl:text>
</xsl:otherwise>
</xsl:choose>
</xsl:attribute>