Merge command: [stratt-boxsubtitleh2 ]
Merge variable/item: strAttBoxSubTitleH2

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

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