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}} } script:pre-request { bru.setVar('form-data-key', 'form-data-value'); } assert { res.body: eq form-data-key=form-data-value }