how to run REST API ADD_USERS_TO_GROUP

Groovy is undoubtedly a wonderful tool, it has allowed me to run jobs through REST API export and import data, metadata, security, mass rename members, form operations and more, but I have encountered an obstacle, I'm trying to run a REST API to add users to a group, but this method is different from the jobs I have managed to run, is a PUT method and the body as data, if someone can please help me with this REST command I would appreciate it very much, I leave the code with which I have tried.

HttpResponse<String> jsonResponse = operation.application.getConnection("internalConnection").put("/interop/rest/security/v1/groups")