java-tutorials/graphql/graphql-java/payload-examples/createUser.json

{
  "query": "mutation($name: String! $email: String! $age: String! ){ createUser ( name: $name email: $email age: $age) { id name email age } }",
  "parameters": {
    "name": "John",
	"email": "john@email.com",
    "age": 34
  }
}