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: passwdmodify.go
    path of file: ./repos/goldfish/vendor/github.com/go-ldap/ldap
    
    the code of the file until where you have to start completion: // This file contains the password modify extended operation as specified in rfc 3062
//
// https://tools.ietf.org/html/rfc3062
//

package ldap

import (
	"errors"
	"fmt"

	"gop
    
func NewPasswordModifyRequest(userIdentity string, oldPassword string, newPassword string) *PasswordModifyRequest {
	return &PasswordModifyRequest{
		UserIdentity: userIdentity,
		OldPassword:  oldPassword,
		NewPassword:  newPassword,
	}
}