# HTML Tile Widget
**General Setting**
User can change following things in HTML Tile widget:
* Name for widget which will be used data reference. For Example, if widget name is 'HTML Tile', then data of widget is referenced as HTML Tile.data
* Show title - User can show/hide widget title
* Title Color
* Background Color
**Widget Setting**
In Widget Setting option, user can change following parameters:
* Key - key parameter of JSON Object which will define data of HTML Tile Widget. User can provide multiple comma seprated keys.
* CSS - User can provide CSS styling
* HTML - User can write HTMl code here using keys also.
#### Source
User can select a source mode as MQTT or Action.
**Using MQTT**
Here, to update data on HTML Tile Widget user can publish JSON object on given **testData** MQTT topic. No need to provide \ while providing the MQTT topic. The JSON object will be as below.
```
// Example
{
"key1":"Hello World !!!",
"key2":"My name is John"
}
// Here, 'key1' and 'key2' are the keys defined for HTML Tile widget.
```
**Using Action**
Here, to update the data on HTML Tile widget, output of the action should contain JSON object as given in above example. User can also update the widget either onLoad or periodically by providing refresh interval.
#### Event Handling
HTML Tile widget does not support any event.
#### Example
If we write CSS code for widget as:
```
.tile{ background-color: red; color: white;}
.tile2{ background-color: blue; color: white;}
```
and write HTML Code for widget as:
```
{key1}
{key2}
```
and set source type for widget as MQTT and topic configured is 'data'. And if we publish following JSON Object over 'data' topic then HTML Widget will look as shown in image.
```
// Data over configured MQTT Topic
{
"key1":"Hello World !!!",
"key2":"My name is John"
}
```
---
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