<!--IssueSummary start--> <details> <summary> Everyone can contribute. [Help move this issue forward](https://handbook.gitlab.com/handbook/marketing/developer-relations/contributor-success/community-contributors-workflows/#contributor-links) while earning points, leveling up and collecting rewards. </summary> - [Close this issue](https://contributors.gitlab.com/manage-issue?action=close&projectId=278964&issueIid=419241) </details> <!--IssueSummary end--> To make Ruby SDK easier to use, we should make it possible to set its default `app_id` and `host` values in an initializer. This way, they would not need to be passed every time the client is initialized.