# required-prefix Ensures that a Component's `tag` use any of the given prefixes. ## Config An array of `"string"`s which Component `tag` will be use as a prefix. ### Config examples ```json { "stencil/required-prefix": ["error", ["app"]] } ``` ## Schema ```json { "type": "array", "items": { "type": "string" }, "minLength": 1 } ```