> ## Documentation Index
> Fetch the complete documentation index at: https://docs.b3os.org/llms.txt
> Use this file to discover all available pages before exploring further.

# Onchain

React to blockchain transfers, logs, and transaction activity.

React to blockchain transfers, logs, and transaction activity.

| Trigger | ID | Required configuration | Tags |
| --- | --- | --- | --- |
| [Receive ETH](/actions/trigger-reference/triggers/eth-receive) | `eth-receive` | 'chainId', 'walletAddress' | eth, native, transfer, receive, deposit, blockchain, evm, wallet |
| [Send ETH](/actions/trigger-reference/triggers/eth-send) | `eth-send` | 'chainId', 'walletAddress' | eth, native, transfer, send, withdrawal, blockchain, evm, wallet |
| [Smart Contract Event](/actions/trigger-reference/triggers/evm-log) | `evm-log` | 'chainId', 'eventAbi' | evm, blockchain, event, log, smart-contract, on-chain, ethereum, advanced |
| [Solana Transaction](/actions/trigger-reference/triggers/solana-transaction) | `solana-transaction` | 'chainId', 'watchAddress', 'eventCategory' | blockchain, solana, trigger, helius, swap, transfer, defi |
| [Token Received](/actions/trigger-reference/triggers/erc20-receive) | `erc20-receive` | 'chainId', 'toAddress' | erc20, token, transfer, receive, deposit, blockchain, evm, wallet |
| [Token Sent](/actions/trigger-reference/triggers/erc20-send) | `erc20-send` | 'chainId', 'fromAddress' | erc20, token, transfer, send, withdrawal, blockchain, evm, wallet |