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								External ID							 
																	A client-generated nonce which uniquely identifies some action to be executed. Subsequent requests with the same external ID do not execute the action again, but return the original result.								
															 
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								Invoice Merchant Reference							 
																	The merchant's reference used to identify the invoice.								
															 
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								Last Completion							 
																	Whether this is the final completion for the transaction, meaning no further completions can occur, and the transaction will move to its completed state upon success.								
															 
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								Line Items							 
																	The line items to be captured in the transaction completion.								
															 
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								Statement Descriptor							 
																	The statement descriptor that appears on a customer's bank statement, providing an explanation for charges or payments, helping customers identify the transaction.