schema.graphql

# Types
type User {
  id: ID
  email: String
  userId: String
}

# Input Types
input UserInput {
  email: String
  userId: String
}

# Define mutations here
type Mutation {
  createUser(input: UserInput!): User!
  updateUser(input: UserInput!): User!
  deleteUser(userId: ID!): Boolean!
}

# Define queries here
type Query {
  users(userId: ID): [User]
}