update a row in zoho reports from zoho creator

update a row in zoho reports from zoho creator

Hi, i succedd add a row in zoho reports from zoho creator but can't update a selecting row.
I wrote this deluge code.
Where have i made a mistake please ?

trans1 = map();
trans1.put("Agence", input.Agence);
trans1.put("AFFECTATION ANALYTIQUE", input.AFFECTATION_ANALYTIQUE);
trans1.put("LIBELLE", input.LIBELLE);
mapResponse = zoho.reports.updatedata("BASE", "Table", trans1, "AFFECTATION ANALYTIQUE="+"'"+input.AFFECTATION_ANALYTIQUE+"'");

TY