SubscriptionHasAttributes Property

This property returns true if the subscription attributes are available.

Syntax

 sns.getSubscriptionHasAttributes(index, [callback])

Default Value

FALSE

Callback

The 'callback' parameter specifies a function which will be called when the operation completes (or an error is encountered). If the 'callback' parameter is not specified, then the method will block and will not return until the operation completes (or an error is encountered).

The callback for the getSubscriptionHasAttributes([callback]) method is defined as:

function(err, data){ }

'err' is the error that occurred. If there was no error, then 'err' is 'null'.

'data' is the value returned by the method.

The callback for the setSubscriptionHasAttributes([callback]) method is defined as:

function(err){ }

'err' is the error that occurred. If there was no error, then 'err' is 'null'.

'err' has 2 properties which hold detailed information:

err.code
err.message

Remarks

This property returns true if the subscription attributes are available. A subscription's attributes are only returned and parsed after calling GetSubscriptionAttributes. This property serves as an easy way to determine if the subscription's attributes are available.

The following properties are applicable after calling GetSubscriptionAttributes:

The following properties are applicable after calling ListSubscriptions or ListTopicSubscriptions:

The size of the array is controlled by the SubscriptionCount property.

This property is read-only and not available at design time.

Data Type

Boolean