In order to display a custom widget on the dashboard of Wattmon, you can create a script using blockly and set the type to Display on Home page.
The script above displays data which has been generated dynamically. To do this, refer to the variable using
{{livedata.cnt}}
Any variable generated by the AJAX script can be referred t by prefixing:
livedata.
.
Note that the hook 'On Home Page' needs to be selected for this widget to appear.
To see how to generate the variable, see Ajax Generation.
Options for the widget are shown below and accessible by clicking the Options button:
The home page display will look as follows: