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# Finance ISO Functions

Finance ISO Vuser scripts are used to monitor messages that follow the standard specifications defined by ISO-8583. The protocol collects metrics for the sent and received messages.

The scripts are written in Java and support standard Java functions and conventions.

Note: You can view supported ISO versions in the Supported Protocols documentation. For details, see the Support Matrix.

- Finance ISO channel functions

- Finance ISO message functions

- Finance ISO utility functions

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