Add components to a bundle
Click View multipack on the bundle to add components to:
The bundle configuration page will load.
Click on Add component in the Components section on the right-hand side.
In the Add products popup search for the product(s) to add as a component(s) and click on the box to select.
Once done, click Add to add them to the multipack.
To undo the selection and return to the parent product configuration page select Undo.
The component product will be added to the bundle's list of components:
Update the quantity of each product and hit Save to update the multipack with the added component and quantity.
A message will appear to confirm changes to the multipack have been saved successfully.