| UPDATE_ID | TEXT | Unique identifier for the Canton update/transaction. An update contains one or more events and represents an atomic change to the blockchain state. |
| MIGRATION_ID | TEXT | Canton migration identifier. Used to track different phases or migrations in the Canton network’s evolution. |
| RECORD_TIME | TEXT | Timestamp when the update was recorded in the system. |
| EFFECTIVE_AT | TEXT | Timestamp when the event or update became effective on the blockchain. This is the canonical time for ordering and analyzing blockchain events. |
| EVENT_ID | TEXT | Unique identifier for the event within the Canton blockchain. |
| EVENT_INDEX | TEXT | Ordering index of events within an update. Events within the same update are sequentially numbered starting from 0. |
| CHOICE | TEXT | The choice/action/method being executed on a contract. Examples include ‘DsoRules_RequestVote’, ‘AmuletRules_Transfer’, ‘LockedAmulet_Unlock’, etc. |
| ACTING_PARTIES | TEXT | Array of party identifiers who are executing this action/choice. |
| CLOSED_ROUND_CID | TEXT | Contract ID reference to a closed mining round. |
| REWARD_AMOUNT | TEXT | Amount of reward (in amulets) being distributed or processed. |
| IS_FEATURED_APP | TEXT | Boolean indicating whether an application has featured status, which typically grants higher reward rates. |
| CONTRACT_ID | TEXT | Unique identifier for the contract being created or exercised in this event. |
| TEMPLATE_ID | TEXT | The template/type of the contract, including package information. Format: ‘package_id:ModuleName:ContractType’ |
| FACT_APP_REWARD_ID | TEXT | Surrogate key generated from event_id |
| INSERTED_TIMESTAMP | TEXT | Timestamp when the record was inserted into this table (Snowflake SYSDATE). |
| MODIFIED_TIMESTAMP | TEXT | Timestamp when the record was last modified in this table (Snowflake SYSDATE). |