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This is documentation for the next version of K6. For the latest stable release, go to the latest version.

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file( data, [filename], [contentType] )

Create a file object that is used for building Multipart requests (file uploads).

ParameterTypeDescription
datastring / Array / ArrayBufferFile data as string, array of numbers, or an ArrayBuffer object.
filenamestringThe filename to specify for this field (or “part”) of the multipart request.
contentTypestringThe content type to specify for this field (or “part”) of the multipart request.

Returns

TypeDescription
FileDataA FileData object.

Example

JavaScript 
import { sleep } from 'k6';
import { md5 } from 'k6/crypto';
import http from 'k6/http';

const binFile = open('/path/to/file.bin', 'b');

export default function () {
  const f = http.file(binFile, 'test.bin');
  console.log(md5(f.data, 'hex'));
  console.log(f.filename);
  console.log(f.content_type);
}