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DynamoDB  >  Structures  >  Put

Put

Structure Class

Put dataclass

Represents a request to perform a PutItem operation.

Attributes

condition_expression class-attribute instance-attribute 
condition_expression: str | None = None

A condition that must be satisfied in order for a conditional update to succeed.

expression_attribute_names class-attribute instance-attribute 
expression_attribute_names: dict[str, str] | None = None

One or more substitution tokens for attribute names in an expression.

expression_attribute_values class-attribute instance-attribute 
expression_attribute_values: dict[str, AttributeValue] | None = None

One or more values that can be substituted in an expression.

item instance-attribute 
item: dict[str, AttributeValue]

A map of attribute name to attribute values, representing the primary key of the item to be written by PutItem. All of the table's primary key attributes must be specified, and their data types must match those of the table's key schema. If any attributes are present in the item that are part of an index key schema for the table, their types must match the index key schema.

return_values_on_condition_check_failure class-attribute instance-attribute 
return_values_on_condition_check_failure: ReturnValuesOnConditionCheckFailure | None = None

Use ReturnValuesOnConditionCheckFailure to get the item attributes if the Put condition fails. For ReturnValuesOnConditionCheckFailure, the valid values are: NONE and ALL_OLD.

table_name instance-attribute 
table_name: str

Name of the table in which to write the item. You can also provide the Amazon Resource Name (ARN) of the table in this parameter.