The AttributeValue has value Instance if the model element has instances of itself. In Instance AttributeType there are no TypeProperty DataType = xxx XML child elements.
Example:
<ModelAttributeType Name="Instances" AttributeType="Instance">
<FieldType Name="InstanceId" DataType="int" />
<FieldType Name="ProcessLevelName" DataType="string" />
<FieldType Name="ProcessLevelId" DataType="string" />
<FieldType Name="OrgUnitName" DataType="string" />
<FieldType Name="OrgUnitId" DataType="string" />
</ModelAttributeType>
<Attribute AttributeName="Instances">
<Record>
<Field Name="InstanceId" Value="1" />
<Field Name="ProcessLevelName" Value="XML testi" />
<Field Name="ProcessLevelId" Value="PG_PS0" />
<Field Name="OrgUnitName" Value="" />
<Field Name="OrgUnitId" Value="" />
</Record>
<Record>
<Field Name="InstanceId" Value="2" />
<Field Name="ProcessLevelName" Value="Sub1" />
<Field Name="ProcessLevelId" Value="PG_PS40" />
<Field Name="OrgUnitName" Value="" />
<Field Name="OrgUnitId" Value="" />
</Record>
</Attribute>