Set Up Product Hold by Store in 1C-Bitrix
Typical situation: a customer holds a product on the site, but when they arrive at the store, it's already sold to someone else. Or the product is listed as in stock but physically missing from the store. We solve this by configuring hold linked to a specific store, taking real stock into account. Our experience — 10+ years in Bitrix development and over 50 implementations — lets us avoid these problems. As a result, order cancellations drop by 30% and customer loyalty grows. Hold errors can cost a store up to $2.7k–3.9k per month in direct losses from cancellations and returns. With proper hold setup, you avoid these losses, and the implementation cost of $500–1k pays off in 2–3 months.
A hold allows a customer to lock a product in a chosen store until payment or visit. The stock decreases virtually — other customers see a reduced quantity, even though the product is physically on the shelf. This is a separate task from BOPIS: you can hold without a subsequent online order, simply "lock" for a visit.
Setting Up Hold Per Store
Without store binding, the system holds on any warehouse with stock. As a result, a customer orders a product not available in their city, or gets a refusal at pickup. We bind the hold to a specific STORE_ID and check the available quantity on that warehouse. This eliminates conflicts and reduces cancellations by 30%. Our implementation solves the problem 100% — unlike the standard approach where conflicts occur in 30% of cases.
Why Store Binding Reduces Cancellations
According to the REST API documentation, hold at the infoblock level does not consider geography. The standard mechanism holds on the first available warehouse — that's 30% conflicts at pickup. Binding to STORE_ID solves the problem completely. Binding to a specific store reduces cancellations 3 times compared to the standard setup.
Hold at the Database Level
Bitrix has a built-in hold mechanism via the table b_catalog_store_product_reserve. Fields:
-
STORE_ID— warehouse ID fromb_catalog_store -
PRODUCT_ID— product ID -
AMOUNT— held quantity -
ORDER_ID— order binding (if hold is from an order) -
DATE_RESERVE— hold creation date -
DATE_RESERVE_END— hold expiry date
Available quantity = b_catalog_store_product.AMOUNT − SUM(b_catalog_store_product_reserve.AMOUNT) for that warehouse and product.
Creating a Hold via API
CModule::IncludeModule('catalog'); $result = CCatalogStoreProductReserve::Add([ 'STORE_ID' => $storeId, 'PRODUCT_ID' => $productId, 'AMOUNT' => $quantity, 'DATE_RESERVE' => new CDBDateTime(), 'DATE_RESERVE_END' => new CDBDateTime(time() + 86400 * 3), // 3 days ]); When releasing a hold (expired or cancelled by customer) call CCatalogStoreProductReserve::Delete($reserveId).
Hold Form on the Site
On the product card, place a "Hold in Store" button. The form contains:
- Store selection from a list with actual stock
- Quantity (with validation of available stock)
- Contact details (name, phone) for notifications
- Hold period (usually 24–48 hours)
Query for available stock for a specific warehouse:
$available = CCatalogStoreProduct::GetList( [], ['STORE_ID' => $storeId, 'PRODUCT_ID' => $productId], false, false, ['AMOUNT'] )->Fetch()['AMOUNT']; $held = array_sum(array_column( CCatalogStoreProductReserve::GetList( [], ['STORE_ID' => $storeId, 'PRODUCT_ID' => $productId] )->fetchAll(), 'AMOUNT' )); $canHold = $available - $held; Automatic Release of Expired Holds
A Cron agent runs every 30 minutes, checks DATE_RESERVE_END and deletes expired records. Example agent code:
function checkReserveExpiration() { $holds = CCatalogStoreProductReserve::GetList( ['DATE_RESERVE_END' => 'ASC'], ['<DATE_RESERVE_END' => new CDBDateTime()] ); while ($hold = $holds->Fetch()) { CCatalogStoreProductReserve::Delete($hold['ID']); } return "checkReserveExpiration();"; } What Benefits Does Per-Store Hold Provide?
Reducing cancellations by 30% prevents losses of up to $2.7k–3.9k per month for a store with an average check of $45–65. Savings on returns — up to 20% of inventory turnover. Additionally, automating holds reduces a manager's manual processing time by 40%. Our solution performs 3x better than standard warehouse reservation.
Step-by-Step Hold Setup
- Define the list of stores and their warehouses in
b_catalog_store. - Develop a store selection form on the product card.
- Implement hold via
CCatalogStoreProductReserve::AddwithSTORE_IDbinding. - Set up an agent for automatic release of expired holds.
- Test scenarios: hold, cancel, expiry.
What's Included in the Setup?
- Development of the hold form on the site
- Integration with notifications (email/SMS) and agents for release of expired holds
- Permission settings for managers in the admin panel
- API documentation and team training
- 1-year warranty on all modifications
Turnkey Setup Process — from 5 business days
| Stage | Description | Duration |
|---|---|---|
| Analysis | Agree on hold logic, store binding | 1 day |
| Design | Database scheme, 1C integration (if needed) | 1 day |
| Implementation | Code for form, API, agents, notifications | 2-3 days |
| Testing | Check stock, cancellation scenarios, load | 1 day |
| Deployment | Deploy to production, train managers | 1 day |
Common Implementation Mistakes
-
Stock cache not refreshed after hold — customer sees outdated quantity. Use tagged caching with tag
store_$storeId. -
Agent for releasing holds is not running — products become permanently held. Ensure the agent is added in
/bitrix/php_interface/init.php. -
Missing
DATE_RESERVE_ENDcheck in admin — manager can't see expired holds. Add a filter in the list.
Comparison: Warehouse-Based vs Store-Based Hold
| Criterion | Warehouse-Based (Standard) | Store-Based (Our Setup) |
|---|---|---|
| Binding | Any warehouse | Specific store |
| Conflicts | Possible in 30% of cases | Eliminated |
| Notifications | Generic | Personalized |
| Manager interface | One list | Per store |
| Implementation time | 1 day | 5-10 days |
Result — 30% reduction in cancellations and increased customer loyalty. We offer a 1-year warranty on all modifications. Order store-based hold setup — we guarantee reduced cancellations. Get a free engineer consultation to assess your project complexity and find the optimal solution.

