OIC Complex variables

Summary

OIC Complex variables

Content

Hi Experts,

I have two services.   Dept and Emp(Takes the parameter as Dept name)
The response of both will be of complex type.

Integration flow is to  Call Dept Service,loop through Depts and Call the Emp service by passing Deptname.

I want to return the response of my Integration as below

{
Dept1Name,
Dept1Id[
{Emp1Name,
Emp1Id},
{Emp2Name,
Emp2Id}
.
.
.
]
Dept2Name,
Dept2Id[
{Emp3Name,
Emp3Id},
{Emp4Name,
Emp4Id}
]
}

what are  the approaches?