ynloultratech / graphql-bundle

        $inputObject = $this->createFormInputObject($form, ucfirst($mutation->getName()));

        if ($annotation->clientMutationId) {

            $clientMutationId = new FieldDefinition();

            $clientMutationId->setName('clientMutationId');

            $clientMutationId->setType(Type::STRING);

            $clientMutationId->setDescription('A unique identifier for the client performing the mutation.');

            $inputObject->prependField($clientMutationId);

        }

        if ($annotation->dryRun) {

            $clientMutationId = new FieldDefinition();

            $inputObject->prependField($clientMutationId);

        }

        if ($annotation->dryRun) {

            $clientMutationId = new FieldDefinition();

            $clientMutationId->setName('dryRun');

            $clientMutationId->setType(Type::BOOLEAN);

            $clientMutationId->setDescription(

                'Execute only a validation process without save anything.

Helpful to create a server side validation. 

Must check `constraintViolations` in the payload to get validation messages.'

            );

            $inputObject->prependField($clientMutationId);

        }

        $this->definitionManager->addType($inputObject);