# workshopctl (CLI) SDKs use the **workshopctl** tool when reporting to the workshop; to invoke a subcommand, add it to your [SDK hook](https://ubuntu.com/workshop/docs//reference/sdks.md#ref-sdk-hooks). ## workshopctl set-health Report the health of the SDK. ### Usage ```console $ workshopctl set-health [--code=] [] ``` ### Description This command is essential for the `check-health` hook that runs after launch or refresh operations in a workshop. The arguments are as follows: | Placeholder | Required | Value | |---------------|--------------------------------------------------------------------------------|--------------------------------------------------------------| | `` | Required | Can be `okay`, `waiting` or `error`. | | `` | Required when `` is `waiting` or `error`;
not allowed with `okay`. | Arbitrary string explaining the status;
7–70 characters. | ### Examples Report an error with a code and a message; note only the message is quoted: ```console $ workshopctl set-health --code=missing-cuda error "CUDA libraries not found" ``` ### Flags ## See also Explanation: - [workshopctl (CLI)](https://ubuntu.com/workshop/docs//explanation/sdks/workshopctl-cli.md#exp-workshopctl-cli) Reference: - [SDK hooks](https://ubuntu.com/workshop/docs//reference/sdks.md#ref-sdk-hooks) - [workshop (CLI)](https://ubuntu.com/workshop/docs//reference/cli/workshop.md#ref-workshop-cli)