# Notes about go workspace As openim is using go1.18's [workspace feature](https://go.dev/doc/tutorial/workspaces), once you add a new module, you need to run `go work use -r .` at root directory to update the workspace synced. ### Create a new extensions 1. Create your tools_name directory in pkg `/tools` first and cd into it. 2. Init the project. 3. Then `go work use -r .` at current directory to update the workspace. 4. Create your tools You can execute the following commands to do things above: ```bash # edit the CRD_NAME and CRD_GROUP to your own export OPENIM_TOOLS_NAME= # copy and paste to create a new CRD and Controller mkdir tools/${OPENIM_TOOLS_NAME} cd tools/${OPENIM_TOOLS_NAME} go mod init github.com/openimsdk/open-im-server/tools/${OPENIM_TOOLS_NAME} go mod tidy go work use -r . cd ../.. ```