CloudWatchApplicationSignals / Client / start_discovery
start_discovery#
- CloudWatchApplicationSignals.Client.start_discovery()#
- Enables this Amazon Web Services account to be able to use CloudWatch Application Signals by creating the AWSServiceRoleForCloudWatchApplicationSignals service-linked role. This service- linked role has the following permissions: - xray:GetServiceGraph
- logs:StartQuery
- logs:GetQueryResults
- cloudwatch:GetMetricData
- cloudwatch:ListMetrics
- tag:GetResources
- autoscaling:DescribeAutoScalingGroups
 - After completing this step, you still need to instrument your Java and Python applications to send data to Application Signals. For more information, see Enabling Application Signals. - See also: AWS API Documentation - Request Syntax- response = client.start_discovery() - Return type:
- dict 
- Returns:
- Response Syntax- {}- Response Structure- (dict) – 
 
 - Exceptions- CloudWatchApplicationSignals.Client.exceptions.ValidationException
- CloudWatchApplicationSignals.Client.exceptions.ThrottlingException
- CloudWatchApplicationSignals.Client.exceptions.AccessDeniedException