Optional ConditionOptional ExpressionOne or more substitution tokens for attribute names in an expression.
Optional ExpressionOne or more values that can be substituted in an expression.
The primary key of the item to be updated. Each element consists of an attribute name and a value for that attribute.
Optional ReturnUse ReturnValuesOnConditionCheckFailure to get the item attributes if the
Update condition fails. For
ReturnValuesOnConditionCheckFailure, the valid values are: NONE,
ALL_OLD, UPDATED_OLD, ALL_NEW, UPDATED_NEW.
Name of the table for the UpdateItem request.
An expression that defines one or more attributes to be updated, the action to be performed on them, and new value(s) for them.
Optional conditionAn object describing the comparisons to generate ConditionExpression, ExpressionAttributeNames, and ExpressionAttributeValues
Generated using TypeDoc
A condition that must be satisfied in order for a conditional update to succeed.