# Cyclic Workflow The cyclic workflow was added in NVIDIA FLARE 2.0 and implemented with the Controller API. It allows for a different control flow implemented through the [`control_flow()`](../../apidocs/nvflare.app_common.workflows.cyclic_ctl.md#nvflare.app_common.workflows.cyclic_ctl.CyclicController.control_flow) method based on `relay_and_wait()` instead of `broadcast_and_wait()` in the [Scatter and Gather Workflow](scatter_and_gather_workflow.md#scatter-and-gather-workflow). [`nvflare.app_common.workflows.cyclic_ctl.CyclicController`](../../apidocs/nvflare.app_common.workflows.cyclic_ctl.md#nvflare.app_common.workflows.cyclic_ctl.CyclicController) ## Example with Cyclic Workflow See the [Hello Cyclic Example](https://github.com/NVIDIA/NVFlare/tree/main/examples/hello-world/hello-cyclic) for an example application with the cyclic workflow.