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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

manuals/node-red/flowfuse-ui-button-manual.md

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+# FlowFuse `ui-button` Manual (EVOLV Reference)
+
+Source: https://dashboard.flowfuse.com/nodes/widgets/ui-button.html
+
+## Purpose
+
+Clickable button that sends a message on user interaction.
+
+## Properties
+
+| Property | Type | Dynamic | Notes |
+|----------|------|---------|-------|
+| `group` | ref | No | Parent ui-group |
+| `width` | int | No | Columns |
+| `height` | int | No | Row units |
+| `label` | string | Yes | Button text |
+| `icon` | string | Yes | Material Design icon name (no `mdi-` prefix) |
+| `iconPosition` | string | Yes | `"left"` or `"right"` |
+| `buttonColor` | string | Yes | Background color |
+| `textColor` | string | Yes | Label color (auto-calculated if omitted) |
+| `iconColor` | string | Yes | Icon color (matches text if omitted) |
+| `tooltip` | string | No | Hover tooltip |
+| `order` | int | No | Position in group |
+| `emulateClick` | bool | No | Trigger click on any received msg |
+
+## Events
+
+| Event | Enabled By | Output |
+|-------|-----------|--------|
+| Click | `onclick: true` | `msg.payload` = configured value |
+| Pointer Down | `onpointerdown: true` | `msg.payload` + `msg._event` with timestamp |
+| Pointer Up | `onpointerup: true` | `msg.payload` + `msg._event` with timestamp |
+
+Hold duration = `pointerup._event.timestamp - pointerdown._event.timestamp`.
+
+## Input
+
+`msg.payload` — sets button payload value. With `emulateClick: true`, any input msg triggers a click.
+
+`msg.enabled` — `true` / `false` to enable/disable the button.
+
+## Dynamic Properties (`msg.ui_update`)
+
+```js
+msg.ui_update = {
+  label: "Stop",
+  icon: "stop",
+  iconPosition: "left",
+  buttonColor: "#f44336",
+  textColor: "#ffffff",
+  iconColor: "#ffffff",
+  class: "my-btn-class"
+};
+```
+
+## EVOLV Key Rules
+
+1. Use buttons for operator actions (start/stop pump, acknowledge alarm).
+2. Set `emulateClick: false` (default) — don't auto-trigger on incoming messages.
+3. For toggle buttons, update label/color dynamically via `msg.ui_update` from downstream logic.
+4. Pair with confirmation dialog (ui-notification or ui-template) for destructive actions.
+5. Standard sizing: `width: 2, height: 1` for inline; `width: 4, height: 1` for full-width in 4-col group.