How to make a mutation query for inserting a list of (Array) fields in GraphQL

Question

recently I started working on GraphQL, I am able to insert data in flat schema without any problem but when it comes to an Array of data I am getting an error like

Answer 1

I ran into the same problem - I did not know how to specify array of objects in the input definition. So for those who wants to see a "text" schema solution:

type Book {
  title: String!
}

to have an array of Books in your input type

input AuthorInput {
  name: String!
  age: Int!
}

you can not just add books: [Book!] inside the input statement, you will need deliberately create input type containing needed fields (duplicate if you like):

input BookInput {
  title: String!
}

and then you can:

input AuthorInput {
  name: String!
  age: Int!
  books: [BookInput!]
}