This help article will demonstrate how to check Follow the steps below to check which invoices payments were applied to which completed (Done) sessions against the invoices they're associated with. Instantly know which invoice was used to pay for sessions.
Click the Members tab
Select any member's profile
Click the Account tab
Select Remaining
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and search for the member you need to check to bring up their profile.
Go to Account>Remaining.
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Click Used next to the sessions you would like to check. This will list which invoices numbers were applied to which completed sessions.
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Click the invoice number to go to the details for that invoice.