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

# Logs

### Table Details

| Property            | Value                                                    |
| ------------------- | -------------------------------------------------------- |
| Table Name          | `celo.decoded.logs`                                      |
| Table Status        | Production-Ready                                         |
| Unique Key          | `block_timestamp::date`, `transaction_hash`, `log_index` |
| Clustering Key(s)   | `block_timestamp::date, topic0`                          |
| Search Optimization | `transaction_hash`, `address`, `topic0`                  |

### Table Columns

| Column Name                | Data Type         | Description                                                                   |
| -------------------------- | ----------------- | ----------------------------------------------------------------------------- |
| block\_number              | NUMBER(38,0)      | The length of the chain, in blocks.                                           |
| block\_timestamp           | TIMESTAMP\_NTZ(9) | The time when the block was included on the blockchain.                       |
| block\_hash                | VARCHAR(66)       | Unique identifier of the block that includes this log.                        |
| address                    | VARCHAR(42)       | The address of the contract that emitted this log.                            |
| name                       | VARCHAR(16777216) | Decoded event log name.                                                       |
| params                     | VARIANT           | Decoded parameters in JSON format.                                            |
| data                       | VARCHAR(16777216) | Unindexed data with further event info, encoded in hex.                       |
| topic0                     | VARCHAR(66)       | The keccak256 hash of a flattened event signature string.                     |
| topic1                     | VARCHAR(66)       | First indexed topic of the event.                                             |
| topic2                     | VARCHAR(66)       | Second indexed topic of the event.                                            |
| topic3                     | VARCHAR(66)       | Third indexed topic of the event.                                             |
| transaction\_from\_address | VARCHAR(42)       | The address of the sending party of this transaction.                         |
| transaction\_to\_address   | VARCHAR(42)       | The address of the receiving party of this transaction.                       |
| transaction\_hash          | VARCHAR(66)       | Unique identifier of the transaction that contains this log.                  |
| transaction\_index         | NUMBER(38,0)      | The position of this transaction in the block. First transaction has index 0. |
| log\_index                 | NUMBER(38,0)      | The position of this log in the block. First log has index 0.                 |
| signature                  | VARCHAR(16777216) | Event log signature.                                                          |
| params\_keys\_mapping      | ARRAY             | Mapping of parameter keys in decoding.                                        |
| interface\_id              | VARCHAR(16777216) | Interface ID.                                                                 |
| \_created\_at              | TIMESTAMP\_NTZ(9) | Timestamp of the entry creation.                                              |
| \_updated\_at              | TIMESTAMP\_NTZ(9) | Timestamp of the entry update.                                                |

### Related Docs

* [EVM Decoded Logs](/historical-data/supported-blockchains/evm/core-schemas/decoded/logs)