vardefs.php

<?php

$dictionary['MyModule'] = [
    'table' => 'mymodule',
    'audited' => true,
    'fields' => [
        // Core module fields would follow here...
    ],
    'indices' => [
        // Core module indexes would follow here...
    ],
];

\VardefManager::createVardef('MyModule', 'MyModule', [
    'basic',
    'assignable',
    'currency',
]);