https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-codepipeline-pipeline-pipelinetriggerdeclaration.html
AWS::CodePipeline::Pipeline PipelineTriggerDeclaration - AWS CloudFormation
Represents information about the specified trigger configuration, such as the filter criteria and the source stage for the action that contains the trigger.
aws codepipelinecloudformation