(Required) Unique identifier for the project associated with the uploaded file.

(Required)Name of the file being uploaded.

The source language of the content in the uploaded file. (This can only be one of all,af,al,ar,ar-EG,ar-lb,az,bg,bn,da,de,el,en,es,es-mx,et,fa,fi,fr,fr-ca,ha,he,hi,hr,hu,id,it,ja,khm,kg,kk,ko,lt,lv,md,mk,ms,nl,no,pl,pt,pt-pt,ro,ru,sg-ma,sg-ms,sk,sl,sr,sv,sw,ta,te,th,tj,tl,tr,uk,ur,ur-lt,uz,vi,xh,yo,zh,zh-tw,zu)