meta {
  name: echo form-url-encoded
  type: http
  seq: 9
}

post {
  url: {{echo-host}}
  body: formUrlEncoded
  auth: none
}

body:form-urlencoded {
  form-data-key: {{form-data-key}}
  form-data-stringified-object: {{form-data-stringified-object}}
}

assert {
  res.body: eq form-data-key=form-data-value&form-data-stringified-object=%7B%22foo%22%3A123%7D
}

script:pre-request {
  let obj = JSON.stringify({foo:123});
  bru.setVar('form-data-key', 'form-data-value');
  bru.setVar('form-data-stringified-object', obj);
}