# Create new field

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1. In VS Code - open the file **fields/index.ts** and add one more field at the end

fields/index.ts

```
{
		caption: 'Is billable',
		name: 'c_is_billable',
		type: 'bool',
	},
```

2. In VS Code - open **views/layouts/dashboard.tsx** and add this field to the layout of the 1st column:

views/layouts/dashboard.tsx

```
<field name="c_is_billable" />
```

3. Test-drive installation of the modified app by running this command (note "i" is an alias for "install"):

```
npx comind i app-basic-timelog WORKSPACE_ALIAS_HERE
```

4. See the new field appeared in the timelog form:

\[image: Timelog form with the new Is billable checkbox field visible]

For a full reference on field types, data types, and available options, see [Fields and field options](/developer-guide/building-blocks/fields-and-field-options.md).