Merge command: [strsidekick-subtitleh2 ]
Merge variable/item: strSidekickSubTitleH2

Comments:
This wraps [strsidekick-subtitle ] in an h2. If [strsidekick-subtitle ] is empty no h2 is generated !

Formula:
@If(pageSidekickSubTitle="";"";"< h2 >"+pageSidekickSubTitle+"</ h2 >");