# Get Suggestion Attachment by ID

## Overview
  The Get Suggestion Attachment by ID API allows authenticated users to get the details of an attachment that belongs to their own Suggestion. It also allows the download of attachment content. 

## Prerequisites
  * Enable the setting "My Suggestions" for the portal specified in the URL
  * If the user is a customer, enable the setting "Allow Customer Access" for the portal.
  * The Suggestion specified in the URL must belong to the user.

Endpoint: GET /portals/{portalID}/suggestions/attachments/{attachmentID}
Security: oAuthUser, oAuthOnBehalfOfUser, oAuthCustomer, oAuthOnBehalfOfCustomer

## Header parameters:

  - `x-egain-activity-id` (string)
    A unique numeric interaction identifier from eGain.
    Example: "59237"

  - `x-ext-integration-id` (string)
    The unique numeric identifier for a tenant, used in self-service functionality as well as third-party integrations.Note: The x-ext-integration-id and x-ext-interaction-id headers must always be provided together and cannot be supplied independently.The x-egain-activity-id may be provided on its own, or it may be provided along with both x-ext-integration-id and x-ext-interaction-id.

  - `x-ext-interaction-id` (string)
    A unique interaction identifier from other CRM applications.Note: The x-ext-integration-id and x-ext-interaction-id headers must always be provided together and cannot be supplied independently.The x-egain-activity-id may be provided on its own, or it may be provided along with both x-ext-integration-id and x-ext-interaction-id.

  - `Accept-Language` (string, required)
    The Language locale accepted by the client (used for locale specific fields in resource representation and in error responses).
    Enum: "en-US", "es-ES", "fr-FR", "it-IT", "de-DE", "nl-NL", "pt-BR", "pt-PT", "da-DK", "ru-RU", "fr-CA", "zh-CN", "ja-JP", "ko-KR", "sv-SE"

## Path parameters:

  - `portalID` (string, required)
    The ID of the portal being accessed.A portal ID is composed of a 2-4 letter prefix, followed by a dash and 4-15 digits.
    Example: "PROD-1000"

  - `attachmentID` (string, required)
    The ID of the attachment.An attachment ID is composed of a 2-4 letter prefix, followed by a dash and 4-15 digits.
    Example: "PROD-1000"

## Query parameters:

  - `attachmentAdditionalAttributes` (array)
    The attributes of an attachment to be returned, along with the default attachment details.

| Attribute    | Description                        |
|--------------|------------------------------------|
| id         | Unique identifier for the attachment |
| fileName   | Name of the file                   |
| contentType| Content type of the file              |
| size       | Size of the file in bytes          |
| link       | Link to the attachment             |
    Enum: "contentUrl", "all"

## Response 200 fields (application/json):

  - `id` (string)
    The ID of the Attachment.
    Example: "PROD-1001"

  - `link` (object)
    Defines the relationship between this resource and another object.

  - `link.rel` (string)
    Defines the relationship between a linked resource and the current object.For example: self, prev, next or an object name such as 'user', 'folder' etc.

  - `link.href` (string)
    The URL that specifies the link's destination.

  - `fileName` (string)
    The name of the Attachment file.This must not exceed 255 characters.

  - `size` (integer)
    The size of the Attachment.Limited to 25MB.

  - `contentUrl` (string)
    The content URL of the Attachment. Download immediately, as this unique URL exists temporarily and can only be retrieved once before deletion.

## Response 400 fields (application/json):

  - `code` (string, required)
    A string that follows the pattern {integer}-{integer}.

The first {integer} is the http status code.  This code as a whole is unique.
* For example, error codes "400-101" and "404-101" are distinctly different.

  - `developerMessage` (string, required)
    A summary of the error.

  - `details` (array)

  - `details.key` (string, required)

  - `details.value` (string)

  - `userMessage` (string)
    UI friendly messages are only supported by some APIs.  
   The client must explicitly request UI friendly messages by passing the X-egain-error-message=yes* header.

## Response 401 fields (application/json):

  - `code` (string, required)
    A string that follows the pattern {integer}-{integer}.

The first {integer} is the http status code.  This code as a whole is unique.
* For example, error codes "400-101" and "404-101" are distinctly different.

  - `developerMessage` (string, required)
    A summary of the error.

  - `details` (array)

  - `details.key` (string, required)

  - `details.value` (string)

  - `userMessage` (string)
    UI friendly messages are only supported by some APIs.  
   The client must explicitly request UI friendly messages by passing the X-egain-error-message=yes* header.

## Response 403 fields (application/json):

  - `code` (string, required)
    A string that follows the pattern {integer}-{integer}.

The first {integer} is the http status code.  This code as a whole is unique.
* For example, error codes "400-101" and "404-101" are distinctly different.

  - `developerMessage` (string, required)
    A summary of the error.

  - `details` (array)

  - `details.key` (string, required)

  - `details.value` (string)

  - `userMessage` (string)
    UI friendly messages are only supported by some APIs.  
   The client must explicitly request UI friendly messages by passing the X-egain-error-message=yes* header.

## Response 404 fields (application/json):

  - `code` (string, required)
    A string that follows the pattern {integer}-{integer}.

The first {integer} is the http status code.  This code as a whole is unique.
* For example, error codes "400-101" and "404-101" are distinctly different.

  - `developerMessage` (string, required)
    A summary of the error.

  - `details` (array)

  - `details.key` (string, required)

  - `details.value` (string)

  - `userMessage` (string)
    UI friendly messages are only supported by some APIs.  
   The client must explicitly request UI friendly messages by passing the X-egain-error-message=yes* header.

## Response 406 fields (application/json):

  - `code` (string, required)
    A string that follows the pattern {integer}-{integer}.

The first {integer} is the http status code.  This code as a whole is unique.
* For example, error codes "400-101" and "404-101" are distinctly different.

  - `developerMessage` (string, required)
    A summary of the error.

  - `details` (array)

  - `details.key` (string, required)

  - `details.value` (string)

  - `userMessage` (string)
    UI friendly messages are only supported by some APIs.  
   The client must explicitly request UI friendly messages by passing the X-egain-error-message=yes* header.

## Response 500 fields (application/json):

  - `code` (string, required)
    A string that follows the pattern {integer}-{integer}.

The first {integer} is the http status code.  This code as a whole is unique.
* For example, error codes "400-101" and "404-101" are distinctly different.

  - `developerMessage` (string, required)
    A summary of the error.

  - `details` (array)

  - `details.key` (string, required)

  - `details.value` (string)

  - `userMessage` (string)
    UI friendly messages are only supported by some APIs.  
   The client must explicitly request UI friendly messages by passing the X-egain-error-message=yes* header.


## Response 204 fields