| callFun | R Documentation | 
This function will return an error if RStudio is not running, or the
function is not available. If you want to fall back to different behavior,
use hasFun.
callFun(fname, ...)
| fname | name of the RStudio function to call. | 
| ... | Other arguments passed on to the function | 
if (rstudioapi::isAvailable()) {
  rstudioapi::callFun("versionInfo")
}
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