Submit an array of objects as a query variable in graphQL

Question

How can I structure the query parameters a graphQL mutation when one of the fields is an array of objects? When I hard-code the mutation this is valid and works:

mutation{
  submitResponse(user: "1234", responses: [{ answerId: "wmtBCWtkSeDs5meBe", selected: false}, { answerId: "wmtBCWtkSeDs5meBz", selected: true}]) {
    id
  }
}

I can't for the life of me figure out how to pass in query parameters for the responses array of objects. How can I define the type of each field in the object. This is what it would like for the user id and that works fine but I can't figure out the responses piece of it.

mutation submitResponse($user: ID!){
  submitResponse(user: $user, responses: [{ answerId: "wmtBCWtkSeDs5meBe", selected: false}, { answerId: "wmtBCWtkSeDs5meBz", selected: true}]) {
    id
  }
}

Thanks!

TitanFighter · Accepted Answer · 2018-03-26 18:42:52Z

2

I know that the question is old, but maybe someone else needs simple solution.

Set type of responses as String!

mutation submitResponse($user: ID!, $responses: String!){
  submitResponse(user: $user, responses: $responses) {
    id
  }
}

Then:

yourData = [{ answerId: "wmtBCWtkSeDs5meBe", selected: false}, { answerId: "wmtBCWtkSeDs5meBz", selected: true}]
responses = JSON.stringify(yourData)

In my case in BackEnd I use Python, so receive responses in BackEnd and then simply convert JSON (string) to Python's dict, something like:
```
import json
responses = json.loads(input.get('responses'))
```

answered Mar 26, 2018 at 18:42

TitanFighter

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