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	component											Terminal
		description															The physical payment terminal.
		type										external
		action										show-amount					The amount to pay is displayed
			message									start-payment					A request to start payment
			message									show-amount					The amount to pay is shown
			message									method-chosen					The chosen method
			message									card-valid					The card is valid
			message									method-chosen					The chosen method
			message									card-invalid					The card is invalid, e.g. cannot be read
			message									payment-failed					The overall payment failed
			message									validate-pin					The pin code is to be validated
			message									sec-authorize					The customer authorizes its request, e.g. with pin or password.
			message									sec-auth-valid					The authorization is valid
			message									sec-transfer					The customer wants to transfer money, e.g. pay an item
			message									sec-auth-invalid					The authorization failed
			message									pin-invalid					The pin code was wrong
			message									payment-failed					The overall payment failed
			message									sec-transferred					The money has been transferred
			message									payment-successful					The overall payment was successful
			message									paid					The customer paid his bill
			message									sec-no-balance					There is not enough balance on the specified account
			message									insuf-balance					The customer does not have enough balance to withdraw
			message									payment-failed					The overall payment failed
			message									method-chosen					The chosen method
			message									sec-authorize					The customer authorizes its request, e.g. with pin or password.
			message									sec-auth-challenge					The authorization is challenged (enter pin)
			message									confirm-pin					The customer needs to confirm the pin-code
			message									sec-auth-invalid					The authorization failed
			message									contactless-failed					The contact-less payment failed
			message									payment-failed					The overall payment failed
			message									validate-pin					The pin code is to be validated
			message									sec-validate-pin					The customer gave a pin-code to be validated
			message									method-chosen					The chosen method
			message									contactless-failed					The contact-less payment failed
			message									payment-failed					The overall payment failed
			message									method-chosen					The chosen method
			message									sec-authorize					The customer authorizes its request, e.g. with pin or password.
			message									sec-auth-invalid					The authorization failed
			message									mobile-failed					The mobile payment failed
			message									payment-failed					The overall payment failed
			message									validate-pin					The pin code is to be validated
			message									sec-validate-pin					The customer gave a pin-code to be validated
			message									method-chosen					The chosen method
			message									mobile-failed					The mobile payment failed
			message									payment-failed					The overall payment failed