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subscriptions

Creates, updates, deletes, gets or lists a subscriptions resource.

Overview​

Namesubscriptions
TypeResource
Idaws.iot_data.subscriptions

Fields​

The following fields are returned by SELECT queries:

NameDatatypeDescription
qosintegerThe Quality of Service (QoS) level for the subscription. Valid values are 0 (at most once) and 1 (at least once).
topic_filterstringThe topic filter pattern that the client is subscribed to. May include MQTT wildcards such as + (single-level) and # (multi-level).

Methods​

The following methods are available for this resource:

NameAccessible byRequired ParamsOptional ParamsDescription
list_subscriptionsselectclient_id, regionnextToken, maxResultsReturns a list of all subscriptions for MQTT clients with active sessions, including offline clients with persistent sessions. Requires permission to access the ListSubscriptions action.

Parameters​

Parameters can be passed in the WHERE clause of a query. Check the Methods section to see which parameters are required or optional for each operation.

NameDatatypeDescription
client_idstringThe unique identifier of the MQTT client to list subscriptions for. The client ID can't start with a dollar sign ($). MQTT client IDs must be URL encoded (percent-encoded) when they contain characters that are not valid in HTTP requests, such as spaces, forward slashes (/), and UTF-8 characters.
regionstringAWS region (default: us-east-1)
maxResultsintegerThe maximum number of subscriptions to return in a single request. By default, this is set to 20.
nextTokenstringTo retrieve the next set of results, the nextToken value from a previous response; otherwise null to receive the first set of results.

SELECT examples​

Returns a list of all subscriptions for MQTT clients with active sessions, including offline clients with persistent sessions. Requires permission to access the ListSubscriptions action.

SELECT
qos,
topic_filter
FROM aws.iot_data.subscriptions
WHERE client_id = '{{ client_id }}' -- required
AND region = '{{ region }}' -- required
AND nextToken = '{{ nextToken }}'
AND maxResults = '{{ maxResults }}'
;