i want to create a report for that selected lookup field entries how can i do that can you please send any sample code ?

for each item in input.Students1
{
ins = insert into filtering_students
[
Added_User = zoho.loginuser
Add_Academic_Year = item.Academic_Year
Manage_Course = item.Manage_Course
Manage_Batch = item.Batch
Date_field = item.Date_field
Add_Subject = item.Subject_field
Students =item.Students1
empname = item.empname
];
} its my code . students1 is a multi select look up. 

but it throws a error : undefined object found