choice field value not showing in flow designer.

[Nasreenfathima]

I have a catalog item in that i have a multiple choice variable , i need to get the value from this variable and need to show this in cmdb resource group table in environment choice field. 

How can i achieve this? Thanks in advance.

[Nasreenfathima]

var env = fd_data.subflow_inputs.sh_srvc_tier;

if(env == 'sh_Production'){

return 'Production';

}

else if(env == 'sh_Acceptance'){

return'Acceptance';

}

else if(env == 'sh_Development'){

return'Development';

}

else if(env == 'sh_Test'){

return'Test';

}

I have tried,  this script