11.36.3 Can you answer these questions?

11.36.3.1 How do I pass a TeX box to \startuseMPgraphic (instead of just the box-register number)?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=745422

Ia^\200\231m trying to feed an existing TeX box into a MetaPost graphic so that I can draw it as a page background. When I send the box as a parameter, MetaPost only receives the register number (e.g. 437), ... 
[context] [boxes] [overlays] [metapost] [parameters]
 

asked by Harry https://tex.stackexchange.com/landing/r/digest?cta=user&id=272274 Score of 2

11.36.3.2 VerbTeX: Creating CUSTOM COMMANDs dont work

https://tex.stackexchange.com/landing/r/digest?cta=question&id=745503

I just started using VerbTeX (I purchased the PRO version, for information, iPad) but I cannot find a way to make \newcommand work. No matter how simple it is, such as the internet example "\... 
[ipad] [verbtex]
                                                                                  

                                                                                  
 

asked by MERIDIANA Geodesia e Topografi https://tex.stackexchange.com/landing/r/digest?cta=user&id=400003 Score of 1

11.36.3.3 Individual Citation Style

https://tex.stackexchange.com/landing/r/digest?cta=question&id=745611

I am rather new to LaTeX and have a question. 
In Art history I am required to cite Exhibition Catalogues in a specific way. That is: Ausst.kat. Name Of Show, City (Institution of Exhibition), City of ... 
[bibliographies] [citing]
 

asked by Offal https://tex.stackexchange.com/landing/r/digest?cta=user&id=400361 Score of 2