Function conditionCheck

conditionCheck(tableName: string, key: Key, condition: AttributeMap, options?: Partial<ConditionCheck>): { ConditionCheck: ConditionCheck }
Create a map for the ConditionCheck operation to use transactWrite.

Returns
A map in the format { ConditionCheck: { ... } }
Parameters
- tableName: string
  
  The name of the table that should contain the item
- key: Key
  
  The primary key of the item to be checked
- condition: AttributeMap
  
  An object describing the comparisons to generate ConditionExpression, ExpressionAttributeNames, and ExpressionAttributeValues
- Optional options: Partial<ConditionCheck>
  
  The same parameters accepted by the original Document.transactWrite condition check items
Returns { ConditionCheck: ConditionCheck }
- ConditionCheck: ConditionCheck
- Defined in src/transact-item.ts:56

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