Since v.2.24.0 of the Automatic Related Products module it is possible to use the condition tree to add Main Products to the bundle pack rule. The previous functionality is also available if you need to add products manually.
In order to obtain the feature, an additional
'amasty/module-mostviewed-conditions-tree ' package should be installed. Please note that the module is available as a part of an
active product or support subscription.
After the installation, you can choose the way Main Products are added to the bundle pack:
— manually (the original way):
— using the condition tree (new functionality):