You can create this offer via Native Upsell
This feature is show discounts to encourage customers to reach the threshold.
Take for example above:
-Discount threshold: Reach 150đ to get 20% OFF!
-Last goal reached message: Congratulation! You have a 20% discount!
The cross-sell pop-up will be displayed after you press the Add to Cart button by default.
This feature doesn't apply to the Bundle.