How do I know if the manual payment gateway is true or false when I look up an order with GraphQL?

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How do I know if the manual payment gateway is true or false when I look up an order with GraphQL? In admin api, I can look up the transaction, but I can't look up the information in graphQL.
I'm trying to make an api that can process a refund and I need to check if it's a manual payment or not to check if the money can actually go back to the customer