--- title: "Ui: behaviour" description: "smabar plugin reference: Ui: behaviour" canonical: "https://smabar.com/docs/plugin-ref-ui-behaviour/" lang: en --- # Ui: behaviour > smabar plugin reference: Ui: behaviour Canonical HTML version: https://smabar.com/docs/plugin-ref-ui-behaviour/ · Language: en · Publisher: smabar (https://smabar.com) --- [Build my plugin](https://smabar.com/build-my-plugin.md) · [All references](https://smabar.com/docs/plugin-ref-index.md) · [Install the ZIP](https://smabar.com/docs/install-plugin-zip.md) Source: smabar 1.5.0, revision `a019f2563965edc37a5e8d84742ea1ff2fa6f824`. [Export metadata and checksums](https://smabar.com/plugin-reference/export.json). This is an offline reference. MCP calls quoted below describe the connected workflow; use the linked documents and create local files instead. Live state, installed plugins, available providers and the user's active theme are unknown. Never claim a live check. Read with [styling](https://smabar.com/docs/plugin-ref-styling.md) and [examples](https://smabar.com/docs/plugin-ref-examples.md). ## what ```json "Markup hooks the SHELL implements for you. A plugin never ships JavaScript — its HTML is rendered inside the bar's own privileged origin, so a