% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/jgd.R
\name{with_jgd_frame_ext}
\alias{with_jgd_frame_ext}
\title{Scoped frame-level extension fields (experimental)}
\usage{
with_jgd_frame_ext(json, expr)
}
\arguments{
\item{json}{A single JSON string representing the extension object.}

\item{expr}{Expression to evaluate with the frame extension active.}
}
\value{
The result of evaluating \code{expr}.
}
\description{
Temporarily sets frame-level extension fields for the duration of \code{expr},
then clears them on exit.
}
\section{Lifecycle}{

\strong{Experimental.} This API may change in future versions.
}

