meta { name: echo multipart type: http seq: 8 } post { url: {{echo-host}} body: multipartForm auth: none } body:multipart-form { form-data-key: {{form-data-key}} form-data-stringified-object: {{form-data-stringified-object}} file: @file(bruno.png) } assert { res.body: contains form-data-value res.body: contains {"foo":123} } script:pre-request { let obj = JSON.stringify({foo:123}); bru.setVar('form-data-key', 'form-data-value'); bru.setVar('form-data-stringified-object', obj); }