You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: api_op_PutRegistrationFieldValue.go
    path of file: ./repos/aws-sdk-go-v2/service/pinpointsmsvoicev2
    
    the code of the file until where you have to start completion: // Code generated by smithy-go-codegen DO NOT EDIT.

package pinpointsmsvoicev2

import (
	"context"
	"fmt"
	awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
	"github.com/aws/smithy-go/middleware"
	smithyhttp "github.com/aws/smithy-go/transport/http"
)

// Creates or updates a field value for a registration.
func (c *Client) PutRegistrationFieldValue(ctx context.Context, params *PutRegistrationFieldValueInput, optFns ...func(*Options)) (*PutRegistrationFieldValueOutput, error) {
	if params == nil {
		params = &PutRegistrationFieldValueInput{}
	}

	result, metadata, err := c.invokeOperation(ctx, "PutRegistrationFieldValue", params, optFns, c.addOperationPutRegistrationFieldValueMiddlewares)
	if err != nil {
		return nil, err
	}

	out := result.(*PutRegistrationFieldValueOutput)
	out.ResultMetadata = metadata
	return out, nil
}

type PutRegistrationFieldValueInput struct {

	// The path to the registration form field. You can use
	// DescribeRegistrationFieldDefinitions for a list of FieldPaths.
	//
	// This member is required.
	FieldPath *string

	// The unique identifier for the registration.
	//
	// This member is required.
	RegistrationId *string

	// The unique identifier for the registration attachment.
	RegistrationAttachmentId *string

	// An array of values for the form field.
	SelectChoices []string

	// The text data for a free form field.
	TextValue *string

	noSmithyDocumentSerde
}

type PutRegistrationFieldValueOutput struct {

	// The path to the registration form field. You can use
	// DescribeRegistrationFieldDefinitions for a list o
    
func (c *Client) addOperationPutRegistrationFieldValueMiddlewares(stack *middleware.Stack, options Options) (err error) {
	if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
		return err
	}
	err = stack.Serialize.Add(&awsAwsjson10_serializeOpPutRegistrationFieldValue{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsAwsjson10_deserializeOpPutRegistrationFieldValue{}, middleware.After)
	if err != nil {
		return err
	}
	if err := addProtocolFinalizerMiddlewares(stack, options, "PutRegistrationFieldValue"); err != nil {
		return fmt.Errorf("add protocol finalizers: %v", err)
	}

	if err = addlegacyEndpointContextSetter(stack, options); err != nil {
		return err
	}
	if err = addSetLoggerMiddleware(stack, options); err != nil {
		return err
	}
	if err = addClientRequestID(stack); err != nil {
		return err
	}
	if err = addComputeContentLength(stack); err != nil {
		return err
	}
	if err = addResolveEndpointMiddleware(stack, options); err != nil {
		return err
	}
	if err = addComputePayloadSHA256(stack); err != nil {
		return err
	}
	if err = addRetry(stack, options); err != nil {
		return err
	}
	if err = addRawResponseToMetadata(stack); err != nil {
		return err
	}
	if err = addRecordResponseTiming(stack); err != nil {
		return err
	}
	if err = addClientUserAgent(stack, options); err != nil {
		return err
	}
	if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
		return err
	}
	if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
		return err
	}
	if err = addSetLegacyContextSigningOptionsMiddleware(stack); err != nil {
		return err
	}
	if err = addOpPutRegistrationFieldValueValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opPutRegistrationFieldValue(options.Region), middleware.Before); err != nil {
		return err
	}
	if err = addRecursionDetection(stack); err != nil {
		return err
	}
	if err = addRequestIDRetrieverMiddleware(stack); err != nil {
		return err
	}
	if err = addResponseErrorMiddleware(stack); err != nil {
		return err
	}
	if err = addRequestResponseLogging(stack, options); err != nil {
		return err
	}
	if err = addDisableHTTPSMiddleware(stack, options); err != nil {
		return err
	}
	return nil
}