There are various integration methods that may be appropriate based on the use case. I assume you have a different order entry front end and you want those orders to be added in JDE. The simplest way is to leverage the JD Edwards Orchestrator. Within the orchestrator their is a Process Recorded that allows you to record the process of adding an order in the JDE application. The result of the recording is a REST API with it's endpoint that you can connect to from your third party order entry process. Learn more at LearnJDE.com specifically the Creating your First Orchestration Tutorial on the Orchestrator page. https://docs.oracle.com/cd/E84502_01/learnjde/orchestrator.html
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