ListChannelNamespaces - AWS AppSync

ListChannelNamespaces

Lists the channel namespaces for a specified Api.

ListChannelNamespaces returns only high level details for the channel namespace. To retrieve code handlers, use GetChannelNamespace.

Request Syntax

GET /v2/apis/apiId/channelNamespaces?maxResults=maxResults&nextToken=nextToken HTTP/1.1

URI Request Parameters

The request uses the following URI parameters.

apiId

The Api ID.

Required: Yes

maxResults

The maximum number of results that you want the request to return.

Valid Range: Minimum value of 0. Maximum value of 25.

nextToken

An identifier that was returned from the previous call to this operation, which you can use to return the next set of items in the list.

Length Constraints: Minimum length of 1. Maximum length of 65536.

Pattern: [\S]+

Request Body

The request does not have a request body.

Response Syntax

HTTP/1.1 200 Content-type: application/json { "channelNamespaces": [ { "apiId": "string", "channelNamespaceArn": "string", "codeHandlers": "string", "created": number, "lastModified": number, "name": "string", "publishAuthModes": [ { "authType": "string" } ], "subscribeAuthModes": [ { "authType": "string" } ], "tags": { "string" : "string" } } ], "nextToken": "string" }

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

channelNamespaces

The ChannelNamespace objects.

Type: Array of ChannelNamespace objects

nextToken

An identifier that was returned from the previous call to this operation, which you can use to return the next set of items in the list.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 65536.

Pattern: [\S]+

Errors

For information about the errors that are common to all actions, see Common Errors.

BadRequestException

The request is not well formed. For example, a value is invalid or a required field is missing. Check the field values, and then try again.

HTTP Status Code: 400

InternalFailureException

An internal AWS AppSync error occurred. Try your request again.

HTTP Status Code: 500

NotFoundException

The resource specified in the request was not found. Check the resource, and then try again.

HTTP Status Code: 404

UnauthorizedException

You aren't authorized to perform this operation.

HTTP Status Code: 401

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: