Function

This API is used to query one piece of the EVS snapshot metadata.

URI

• URI format

  GET /v3/{project_id}/snapshots/{snapshot_id}/metadata/{key}

• Parameter description

  Parameter	Mandatory	Description
  project_id	Yes	Specifies the project ID. For details about how to obtain the project ID, see Obtaining a Project ID.
  snapshot_id	Yes	Specifies the snapshot ID.
  key	Yes	Specifies the key of the piece of metadata to be queried. You can obtain the metadata key in Querying Metadata of an EVS Snapshot.

Request

• Example request

  GET https://{endpoint}/v3/{project_id}/snapshots/f9faf7df-fdc1-4093-9ef3-5cba06eef995/metadata/value1

Response

• Parameter description

  Parameter	Type	Description
  meta	Object	Specifies a piece of snapshot metadata, which is made up of a key-value pair.
  error	Object	Specifies the error message returned when an error occurs. For details, see Parameters in the error field.

• Parameters in the error field

  Parameter	Type	Description
  message	String	Specifies the error message returned when an error occurs.
  code	String	Specifies the error code returned when an error occurs. For details about the error code, see Error Codes.

• Example response

  {
      "meta": {
          "key1": "value1"
      }
  }

  or

  {
      "error": {
          "message": "XXXX", 
          "code": "XXX"
      }
  }

  In the preceding example, error indicates a general error, for example, badRequest or itemNotFound. An example is provided as follows:

  {
      "badRequest": {
          "message": "XXXX", 
          "code": "XXX"
      }
  }

Status Codes

• Normal

  200