query selectPersonsByHobby {
  description: "Select all persons with a certain hobby."
  statement:
      SELECT org.comp.myapp.Person
          WHERE (passTime CONTAINS (name == _$targetHobby ))
}

participant Person identified by id {
  o String id
  o String firstName
  o String lastName
  o String email
  o Interest[] passTime
}

concept Interest {
  o String name
  o String description
}

return this.httpClient.get(`http://localhost:3000/api/queries/selectPersonsByHobby`, {_$targetHobby: "Football"});