To add breadcrumb trail to publish page edit
/interface_{custom}/main/pub_main.html
and insert component class as indicated below:
<include file="pubheader.html"> <component class_key="intranet_menu_trail" menu_name="{menu}"> <txt name="PageContent"></txt> <include file="homefooter.html">
interface_{custom} is refering to the main bespoke interface
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