S3 Upload policy to be used by EC2 API.
            
 Declaration Syntax
 Declaration Syntax| C# | 
public S3UploadPolicy( string awsAccessKeyId, SecureString awsSecretAccessKey, string bucketName, string prefix, int expireInMinutes )
 Parameters
 Parameters- awsAccessKeyId (String)
- Access Key Id of the signer of the policy
- awsSecretAccessKey (SecureString)
- Secret Key of the signer of the policy
- bucketName (String)
- Bucket name to upload
- prefix (String)
- Prefix for the object keys
- expireInMinutes (Int32)
- Expire, minutes from now