@HelesicPetr
Im loading using below template xml files
TAG-0 file kept at location <loadXmlFiles\>(which got after exporting as Template)
<NmLoader>
<!-- ****************************************************************** -->
<!-- General Quality Document container Template -->
<!-- ****************************************************************** -->
<csvCreateContainerTemplate handler="wt.inf.template.LoadContainerTemplate.createContainerTemplate">
<csvname><?loc-begin key="QMS_CONTAINER_TEMPLATE_NAME" maxlen="150"?>Quality Container Template<?loc-end ?></csvname>
<csvenabled>true</csvenabled>
<csvxmlPath>QualityDocumentTemplate_Tag-0<?loc-begin key="LANG_FILE_EXT" pseudotrans="_ja"?><?loc-end ?>.xml</csvxmlPath>
<csvcontainerClassName>com.ptc.QMS</csvcontainerClassName>
<csvparentContainerPath>/</csvparentContainerPath>
<csvdescription><?loc-begin key="QMS_CONTAINER_TEMPLATE_DESC"?> Quality Document container Template<?loc-end ?></csvdescription>
</csvCreateContainerTemplate>
</NmLoader>
For Library container same as above but
<csvcontainerClassName>wt.inf.library.WTLibrary</csvcontainerClassName>