\usemodule[chart]

\startFLOWchart[A]
    \startFLOWcell
        \name{A}
        \location{1,1}
        \text{A}
    \stopFLOWcell
\stopFLOWchart

\startFLOWchart[B]
    \includeFLOWchart[A][x=1,y=1]
\stopFLOWchart

\startFLOWchart[C]
    \includeFLOWchart[B][x=1,y=1]
\stopFLOWchart

\starttext

    \FLOWchart[A]

    \FLOWchart[B]

    \FLOWchart[C]

\stoptext
