6.11 Develop Node.js Apps with XA

• Configure Node.js App as Transaction Initiator
  A transaction initiator service initiates or starts a transaction. Based on your application's business logic, a transaction initiator service may only start the transaction or start the transaction and participate in the transaction as well.
• Configure Node.js App as Transaction Participant
  Depending on whether your resource manager is compliant with XA or not, set environment variables and implement different classes from the MicroTx client library.