PostBody Object

• data (UploadRawData | UploadFile)[] - The post data to be sent to the new window.
• contentType string - The content-type header used for the data. One of application/x-www-form-urlencoded or multipart/form-data. Corresponds to the enctype attribute of the submitted HTML form.
• boundary string (optional) - The boundary used to separate multiple parts of the message. Only valid when contentType is multipart/form-data.