To set a target level for your products, this will be set within the product details of each product.
1. Navigate to Inventory -> Inventory Management and click into the product details by using the binoculars icon.
2. Here is where you have the option to set the target level for your products.
3. Click 'Save'.
If you navigate back to inventory engagement, you will also see a column of your 'target level' for each SKU number.