How to access hyper ledger composer queries from angular app?

I have defined a query in the query.qry file in my hyperledger composer app:

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

Here's the relevant part of the model file:

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
}

How can I access the query from my angular application and pass parameters;?

Is the following correct?:

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

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