Hello,
I am new bee to Xwiki and would like to implement the tree view in Xwiki as attached.
Please guide me where to amend my code in Xwiki and how to achieve this.
Thanks in advance.
Welcome to the hive! 
Please see https://extensions.xwiki.org/xwiki/bin/view/Extension/Document%20Tree%20Macro
Hi vmassol,
Thank you for reference.
I would need to display the page tree structure in solr search facet under the OBJECT TYPE.
Please guide me where to amend my source.
Sorry I don’t know SOLR facets. Maybe you could check how it’s done for other facets and check https://extensions.xwiki.org/xwiki/bin/view/Extension/Solr%20Search%20Application#HFacetingonObjectProperties