[NTG-context] Referencing a figure

I have written a macro to include figures. I pass the label name and the caption as the two arguments. But when I try to refer to the figure, it shows ??. Surely, my macro does not define the figure label as intended by me. What am I doing wrong? Also, while trying to debug this problem, I tried using *\version[temporary]* to see the labels as suggested in the Context manual (chapter on Cross References (page 207) of cont-ini.pdf). But it didn't show many the label of the figure. MWE: \useMPlibrary[dum] \unprotect \define[2]\dincludefigure{% \placefigure[fig:#1]{#2}{\externalfigure[dummy][width=10cm]}% }% \protect \starttext \dincludefigure{one}{A figure} I am refering to \in{Figure}[fig:one]. \stoptext