Network Listeners

Network Listeners allow you to get notified when certain events happen on a Network.

Network Events

Block Event

All the details about the block when a block is created on the ledger. The event data is a JSON structure containing the following fields:

• channelName: Name of the channel that generated the event

• eventType: BlockEvent

• eventData: The entire block and its data that is written on the ledger. To understand the Block data structure, please refer here.

Transaction Commit Event

Every time a transaction is committed to the blockchain, the transaction data will be sent. The event data is a JSON structure containing the following fields:

• channelName: Name of the channel that generated the event

• eventType: TransactionEvent

• eventData: The entire transaction and its data that is written on the ledger. To understand the transaction data structure, please refer here.