Constructs a new access policy condition that compares the requested
            endpoint used to subscribe to an Amazon SNS topic with the specified
            endpoint pattern. The endpoint pattern may optionally contain the
            multi-character wildcard (*) or the single-character wildcard (?).
             CopyC#
CopyC#
For example, this condition can restrict subscriptions to a topic to email addresses in a certain domain ("*@my-company.com").
 CopyC#
CopyC#Policy policy = new Policy("MyTopicPolicy"); policy.WithStatements(new Statement(Statement.StatementEffect.Allow) .WithPrincipals(new Principal("*")).WithActionIdentifiers(SNSActionIdentifiers.Subscribe) .WithResources(new Resource(myTopicArn)) .WithConditions(ConditionFactory.NewEndpointCondition("*@my-company.com")));
 Parameters
 Parameters- endpointPattern (String)
- The endpoint pattern against which to compare the requested endpoint for an Amazon SNS topic subscription.
 Return Value
 Return ValueA new access control policy condition that compares the endpoint
                    used in a request to subscribe to an Amazon SNS topic with the
                    endpoint pattern specified.