You can use this function to apply the external map function in the mapping through REST API. Therefore, this feature provides a framework to call the external REST API to apply as map function using Available Function(s) option from the destination elements.
This feature is only visible when:
- You have selected the Enable External Mapping Function(s) checkbox and REST account from Template/Transaction settings page.
- You open the mapper from the Define Mapping page of Template/Transaction.
...
Click More
icon of the destination element of the layout and then select Available Function(s) option.
This will call the API that was defined in the REST account during the Template/Transaction creation.The Available Functions(s) : NAME screen is displayed.
- Select the required function from the list and click Apply.
This will apply the function as a mapping expression.
...