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Both flows should implement the required components. Which can be found here: Required basic components
You can omit the search since it's automatically performed when loading the product list. The loading of the product list can be configured to trigger again once the user has completed utilizing the search feature. Refer to the usage guide for a detailed understanding of how these functions operate.
Standard flow
Has to have the basic functions implemented first. Then the only thing you would need to do is call the function for loading the receipt with the order number. More info here
Pros:
Can see a visual representation of current status
Can download files belonging to the product
Visual representation of order information
Can send and receive messages from suppliers
Does not have to implement API-calls for files, status and order info
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Custom flow
Has to have the basic functions implemented first.
Order files:
You would need to poll this endpoint to receive files for the whole order:
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