tests/testthat/fixtures/minimal_api.R

In plumber2: Easy and Powerful Web Servers

#* Echo the parameter that was sent in
#*
#* @get /echo/<msg>
#*
#* @param msg:string The message to echo back.
#*
function(msg) {
  list(
    msg = paste0("The message is: '", msg, "'")
  )
}