# ILog

It is predefined interface containing log data.

<table><thead><tr><th width="243">Field</th><th>Description</th></tr></thead><tbody><tr><td>log_index</td><td>The log's index position in the block.</td></tr><tr><td>log_transaction_hash</td><td>Hash of the transaction this log was created from.</td></tr><tr><td>log_transaction_index</td><td>The transaction's index position in the block.</td></tr><tr><td>log_address</td><td>Address from which this log originated.</td></tr><tr><td>log_data</td><td>Contains one or more 32-byte non-indexed arguments of the log.</td></tr><tr><td>topics</td><td>Array of 0 to 4 32-byte hex of indexed log arguments.</td></tr></tbody></table>

```typescript
export interface ILog {
  log_index: string;
  log_transaction_hash: string;
  log_transaction_index: string;
  log_address: string;
  log_data: string;
  topics: string[];
}
```