var answer = [];

// Add the primary CI Approval Group to the array

answer.push(current.cmdb_ci.change_control);

// Add the Impacted Services list approval groups to the array

var impSvcs = new GlideRecord('task_cmdb_ci_service');
impSvcs.addQuery('task', current.sys_id);
impSvcs.query();
while(impSvcs.next()) {
answer.push(impSvcs.cmdb_ci_service.change_control);
}