Single-Action Initiator
In this scenario, the partner is initiating or starting a message exchange with XI. So, you configure the adapter with one communication channel with the type Sender.
This implies that the partner will use the communication channel that you create to send a message to XI.
For the Single-Action Initiator scenario, in the case of the Chem eStandards business transaction E41, the partner starting the message exchange with XI takes the role of Buyer and XI takes the role of Seller.
This scenario can be depicted as follows:

The following objects must be configured for this scenario:
· Party
· Service