Multipart not working

Multipart is not working what is the right way to put multipart in ob2?

i got this result:
image

------WebKitFormBoundaryL9gJyr9nHu2Arkdz\r\nContent-Disposition: form-data; name="action"login\r\n------WebKitFormBoundaryL9gJyr9nHu2Arkdz\r\nContent-Disposition: form-data; name="csrf_token"<csrf>\r\n------WebKitFormBoundaryL9gJyr9nHu2Arkdz\r\nContent-Disposition: form-data; name="return"0\r\n------WebKitFormBoundaryL9gJyr9nHu2Arkdz\r\nContent-Disposition: form-data; name="email"<input.USER>\r\n------WebKitFormBoundaryL9gJyr9nHu2Arkdz\r\nContent-Disposition: form-data; name="password"<input.PASS>\r\n------WebKitFormBoundaryL9gJyr9nHu2Arkdz--

and final result empty response:
image

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