B2B Gateway

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Context parameters in custom mappings

You can use input and in-out parameters as context parameters in custom mappings to add information from the gateway to inbound and outbound messages and to filter the data in inbound and outbound messages. For example, add the partner name to inbound messages, or filter outbound messages based on partner number.

Consider the following guidelines when you add the parameters:

Add a transformation to the mapping. You can add any transformation that accepts

Data Integration

parameters as input. For example, an Expression transformation or a Filter transformation.

In outbound flows, add the transformation before the target. In inbound flows, add the transformation after the source.

Configure ports that add the data. The following table describes the port values that you can configure. Port values are not case sensitive.

Port Value	Data to Add to the Port
PARTNER_NUMBER	Partner number
PARTNER_NAME	Partner name
PARTNER_PROD_INTERCHANGE_ID	Partner production interchange ID
PARTNER_TEST_INTERCHANGE_ID	Partner test interchange ID
EVENT_ID	Event ID