How to set the color column for when the fetch

Migrateduser

<p>Hello!</p>
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<pre class="_prettyXprint">
if ( i < count ){
row["count"] = i + 1;
row["full_name"] = shortFullName(full_name[i]);
for(k=0; k < work_dates[i].length; k++){
row[BirtDateTime.day(work_dates[i][k]) + 2] = "+";
// How to set the color column for when the fetch???
}
i++; 
return true;
}else{
return false;
}</pre>
</div>
<p> </p>