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+++ title = "Legacy panel plugins" keywords = ["grafana", "plugins", "panel", "documentation"] aliases = ["/docs/grafana/latest/plugins/developing/panels/"] +++
Legacy panel plugins
Panels are the main building blocks of dashboards.
Panel development
Scrolling
The grafana dashboard framework controls the panel height. To enable a scrollbar within the panel the PanelCtrl needs to set the scrollable static variable:
export class MyPanelCtrl extends PanelCtrl {
static scrollable = true;
...
In this case, make sure the template has a single <div>...</div> root. The plugin loader will modify that element adding a scrollbar.