AppendHashCodeOnly
From Plex-XML
The appendHashCodeOnly template takes care for a hash code that will be used for hash code validation. It appends only the hash code. If you like to have a full hidden field you should use the appendHashFields template.
Properties
Param-Elements with field name and value attribute for the field value.
Example
Put the following template in your XSLT get a variable with a hash code for the field Foo1.
<xsl:variable name="vHash">
<xsl:call-template name="appendHashCodeOnly">
<xsl:with-param name="param">
<formName>FooFormName</formName>
<param value="{$vFoo1}">Foo1</param>
</xsl:with-param>
</xsl:call-template>
</xsl:variable>