Help Multipart POST

anyhelp how to create multipart block with this data

-----WebKitFormBoundaryjFSoZIC1UBCeg52D
Content-Disposition: form-data; name=“search_form[code]”

------WebKitFormBoundaryjFSoZIC1UBCeg52D
Content-Disposition: form-data; name=“search_form[periode]”

------WebKitFormBoundaryjFSoZIC1UBCeg52D
Content-Disposition: form-data; name=“search_form[date_fin]”

------WebKitFormBoundaryjFSoZIC1UBCeg52D
Content-Disposition: form-data; name=“search_form[named]”

------WebKitFormBoundaryjFSoZIC1UBCeg52D
Content-Disposition: form-data; name=“search_form[tel]”

------WebKitFormBoundaryjFSoZIC1UBCeg52D
Content-Disposition: form-data; name=“search_form[type]”

------WebKitFormBoundaryjFSoZIC1UBCeg52D
Content-Disposition: form-data; name=“search_form[mac]”

------WebKitFormBoundaryjFSoZIC1UBCeg52D
Content-Disposition: form-data; name=“search_form[_token]”

–Y9w7MyaBVsN2ZrtYyyw_kbzDXJzMDU6T8h6cwklW8
------WebKitFormBoundaryjFSoZIC1UBCeg52D
Content-Disposition: form-data; name=“page”

1
------WebKitFormBoundaryjFSoZIC1UBCeg52D
Content-Disposition: form-data; name=“size”

10
------WebKitFormBoundaryjFSoZIC1UBCeg52D–

I think you convert to one line