The AttributeType has value LinkValue if the model element has a link to another model element and there is some additional information related to this link. In LinkValue AttributeType there are no TypeProperty DataType = xxx XML child elements.
Example: In QPR Modeling Client the modeler may define the number of allocated resources to a process step i.e. the process step has a link to a resource and the link value is the allocation amount.
<ModelAttributeType Name="Resources" AttributeType="LinkValue">
<FieldType Name="ElementName" DataType="string" />
<FieldType Name="ElementId" DataType="string" />
<FieldType Name="TypeName" DataType="string" />
<FieldType Name="TypeID" DataType="string" />
<FieldType Name="Amount" DataType="double" />
</ModelAttributeType>
<Attribute AttributeName="Resources">
<Record>
<Field Name="ElementName" Value="KJu" />
<Field Name="ElementId" Value="PG_RE26" />
<Field Name="TypeName" Value="Resource type" />
<Field Name="TypeID" Value="PG_RE16" />
<Field Name="Amount" Value="1" />
</Record>
</Attribute>