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⚠️ This is archived documentation for v0.34. Go to the latest version

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

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

ParameterTypeDescription
datastring / Array / ArrayBuffer (≥ v0.31.0)File 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

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);
}