# advanced settings

- [Subscription integration](/advanced-settings/subscription-integration.md)
- [POS integration](/advanced-settings/pos-integration.md)
- [Gift limit](/advanced-settings/gift-limit.md): The Gift Limit feature allows merchants to control how many gifts a customer can claim when multiple gifts are available in a campaign.
- [Multiply gift](/advanced-settings/multiply-gift.md): The Multiply feature allows customers to receive additional gifts when they buy or spend more than the base condition.
- [Lowest priced gift](/advanced-settings/lowest-priced-gift.md): The Lowest-Priced Gift feature allows merchants to automatically set the lowest-priced item in the customer’s cart as the free gift.
- [Translation](/advanced-settings/translation.md)
- [Specific Link](/advanced-settings/specific-link.md): The Specific Link setting allows merchants to restrict a campaign so that only customers who access the store via a unique generated link can receive the campaign benefits
- [A/B testing](/advanced-settings/a-b-testing.md): Why use A/B Testing?  A/B testing helps merchants evaluate the effectiveness of their campaigns by testing different gift or discount variations under the same condition. This allows you to understand
- [Customer segment](/advanced-settings/customer-segment.md): The Customer Segment setting allows merchants to restrict campaign eligibility based on customer segments defined in Shopify.
- [Customer location](/advanced-settings/customer-location.md): The Customer Location setting allows merchants to restrict campaign eligibility based on the customer’s geographical location.
- [Apply code to get gift](/advanced-settings/apply-code-to-get-gift.md): This feature allows merchants to create campaigns where customers can unlock gifts by entering a discount code directly in the cart drawer/cart page without going to checkout.
- [Pop-up hidden time](/advanced-settings/pop-up-hidden-time.md): Discover how to customize the "Pop-up Hidden time" setting in this detailed guideline.
- [Gift quantity selector](/advanced-settings/gift-quantity-selector.md)