Button Card documentation (#6823)

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source/_lovelace/entity-button.markdown

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+---
+layout: page
+title: "Entity Button Card"
+sidebar_label: Entity Button
+description: "The Entity Button card allows you to add buttons to perform tasks"
+date: 2018-10-11 10:28 +00:00
+sidebar: true
+comments: false
+sharing: true
+footer: true
+---
+
+The Entity Button card allows you to add buttons to perform tasks.
+
+<p class='img'>
+<img src='/images/lovelace/lovelace_entity_button_card.png' alt='Screenshot of the entity button card'>
+Screenshot of the Entity Button card.
+</p>
+
+```yaml
+- type: entity-button
+  entity: light.living_room
+- type: entity-button
+  entity: light.office
+- type: entity-button
+  entity: light.bedroom
+```
+
+{% configuration %}
+type:
+  required: true
+  description: entity-button
+  type: string
+entity:
+  required: true
+  description: Home Assistant entity ID.
+  type: string
+name:
+  required: false
+  description: Overwrites friendly name.
+  type: string
+  default: Name of Entity
+icon:
+  required: false
+  description: Overwrites icon or entity picture.
+  type: string
+  default: Entity Domain Icon
+tap_action:
+  required: false
+  description: "Set to `toggle` or `call-service` for direct actions."
+  type: string
+  default: more-info
+service:
+  required: false
+  description: "For `call-service`, e.g., `media_player.media_play_pause`"
+  type: string
+service_data:
+  required: false
+  description: The service data to use.
+  type: object
+  default: "entity_id: entity_id"
+{% endconfiguration %}
+
+## {% linkable_title Examples %}
+
+Title and Script Service Example:
+
+```yaml
+- type: entity-button
+  title: Turn Off Lights
+  entity: script.turn_off_lights
+  service: script.turn_on
+```
+
+<p class='img'>
+<img src='/images/lovelace/lovelace_entity_button_complex_card.png' alt='Screenshot of the entity button card'>
+Screenshot of the Entity Button card with Title and Script Service.
+</p>