The best way for the administrator to accomplish this task is to add the “Order Routing Rank By Closest Distance” action to the fulfillment flow. This action is a flow core action that ranks the fulfillment locations by their distance from the delivery location, and returns a list of ranked locations. The administrator can use this action to find the optimal fulfillment location for each order based on proximity. Verified References:https://help.salesforce.com/s/articleView?id=sf.flow_ref_elements_om_actions_order_routing_rank_by_closest_distance.htm &type=5

When a customer applies a discount when placing an order, an order adjustment group summary is created. An order adjustment group summary is a record that represents a modification to the order amount,such as a discount, a surcharge, or a tax. An order adjustment group summary can have one or more order adjustments, which are the individual modifications that are applied to the order or the order items. An order can have one or more order adjustment group summaries, depending on how many types of modifications are applied to the order. References: Order Management Objects, [Order Adjustments]

The best way for an administrator to synchronize licenses from the production org when preparing a sandbox for development is to run the Match Production Licenses to Sandbox without a Refresh tool in Setup. This tool allows administrators to match theirsandbox licenses with their production licenses without refreshing their sandbox. This way, the administrator can ensure that the sandbox has the same number and type of licenses as the production org, and avoid any license-related issues when developingor testing in the sandbox. Verified References:https://help.salesforce.com/s/articleView?id=sf.data_sandbox_licenses.htm &type=5

Two likely causes that could make the second submission of the same JSON payload fail are:

The payment data must be updated. The payment data in the JSONpayload contains information such as the payment method, amount, and authorization code. If the same payment data is used for the second order, it may cause a duplicate payment error or an invalid authorization error.

The Order Reference Number must be updated. The Order Reference Number is a unique identifier for each order that is generated by the external system and sent in the JSON payload. If the same Order Reference Number is used for the second order, it may cause a duplicate order error or an invalid order error.

Verified References: https://help.salesforce.com/s/articleView?id=sf.order_management_order_api.htm &type=5 https://help.salesforce.com/s/articleView?id=sf.order_management_payment_api.htm &type=5

One invoice will be created when using the Create Invoice Apex action in a flow. The Create Invoice Apex action is a custom action that creates an invoice for an order summary. An invoice is a document that requests payment from a customer for an order. An invoice can include one or more fulfillment orders and one or more credit memos. A fulfillment order is a record that represents a part of an order that is fulfilled by a specific location. A credit memo is a record that represents a partial or full refund for an order or a fulfillment order. An order summary can have multiple fulfillment orders and credit memos associated with it, but only one invoice will be created for the entire order summary. References: Order Management Objects, [Create Invoice Apex Action]