fills placeholders in a table with data
| placeholder | object|string | data properties which can be set as SpreadSheet values |
| value | number|string | value of the placeholder, if passed as a string |
$$("ssheet").setPlaceholder({value:"France", expense:1366, income:842});
If the placeholder is a string, you need to provide the value parameter as well:
$$("ssheet").setPlaceholder("expense", 1366);