RDSDemo for GraphQL mutation for iOS

RDSDemo-Mutation.swift

// GraphQL Mutation - Add a new AWS Service to the MyAWSService database table
func createServiceMutation(){
    // A quick sample insert
    let createServiceInput = CreateAWSServiceInput(id: 6, shortName: "Device Farm", longName: "AWS Device Farm",                              serviceRegionName: "aws-device-farm-us-west-2", imageUrl: "device-farm")

    appSyncClient?.perform(mutation: CreateAwsServiceMutation(createAWSServiceInput: createServiceInput)) {               
        (result, error) in
        if let error = error as? AWSAppSyncClientError {
            print("Error occurred: \(error.localizedDescription )")
        }
        if let resultError = result?.errors {
            print("Error saving conf talk: \(resultError)")
            return
        }

        guard let result = result?.data else { return }

        self.getServicesQuery()
    }
}