Bedrock Agentcore Control > Structures > HostingEnvironment HostingEnvironment¶ Structure Class¶ HostingEnvironment dataclass ¶ A hosting environment whose workloads are allowed to invoke the target. At launch, the only supported hosting environment is AgentCore Gateway. Attributes¶ arn instance-attribute ¶ arn: str The Amazon Resource Name (ARN) of the hosting environment.