% Minimal ConTeXt example using the format-specific wrapper.
\usemodule[t][luacoolprop]
\pgfplotsset{compat=1.18}

\starttext
\LCPTSDiagram[
  fluid=R134a,
  temperature axis unit=celsius,
  isenthalp=true,
  quality step=0.2,
  enthalpy values={200,250,300,350,400,450},
  labels=true
]
\stoptext

.