Amazon DynamoDB

Usage Instructions

Integrate Amazon DynamoDB into workflows. Supports Get, Put, Query, Scan, Update, and Delete operations on DynamoDB tables.

Get an item from a DynamoDB table by primary key

Parameter	Type	Required	Description
`region`	string	Yes	AWS region (e.g., us-east-1)
`accessKeyId`	string	Yes	AWS access key ID
`secretAccessKey`	string	Yes	AWS secret access key
`tableName`	string	Yes	DynamoDB table name
`key`	object	Yes	Primary key of the item to retrieve
`consistentRead`	boolean	No	Use strongly consistent read

Parameter	Type	Description
`message`	string	Operation status message
`item`	object	Retrieved item

Put an item into a DynamoDB table

Parameter	Type	Required	Description
`region`	string	Yes	AWS region (e.g., us-east-1)
`accessKeyId`	string	Yes	AWS access key ID
`secretAccessKey`	string	Yes	AWS secret access key
`tableName`	string	Yes	DynamoDB table name
`item`	object	Yes	Item to put into the table

Parameter	Type	Description
`message`	string	Operation status message
`item`	object	Created item

Query items from a DynamoDB table using key conditions

Parameter	Type	Required	Description
`region`	string	Yes	AWS region (e.g., us-east-1)
`accessKeyId`	string	Yes	AWS access key ID
`secretAccessKey`	string	Yes	AWS secret access key
`tableName`	string	Yes	DynamoDB table name
`keyConditionExpression`	string	Yes	Key condition expression (e.g., "pk = :pk")
`filterExpression`	string	No	Filter expression for results
`expressionAttributeNames`	object	No	Attribute name mappings for reserved words
`expressionAttributeValues`	object	No	Expression attribute values
`indexName`	string	No	Secondary index name to query
`limit`	number	No	Maximum number of items to return

Scan all items in a DynamoDB table

Parameter	Type	Required	Description
`region`	string	Yes	AWS region (e.g., us-east-1)
`accessKeyId`	string	Yes	AWS access key ID
`secretAccessKey`	string	Yes	AWS secret access key
`tableName`	string	Yes	DynamoDB table name
`filterExpression`	string	No	Filter expression for results
`projectionExpression`	string	No	Attributes to retrieve
`expressionAttributeNames`	object	No	Attribute name mappings for reserved words
`expressionAttributeValues`	object	No	Expression attribute values
`limit`	number	No	Maximum number of items to return

Update an item in a DynamoDB table

Parameter	Type	Required	Description
`region`	string	Yes	AWS region (e.g., us-east-1)
`accessKeyId`	string	Yes	AWS access key ID
`secretAccessKey`	string	Yes	AWS secret access key
`tableName`	string	Yes	DynamoDB table name
`key`	object	Yes	Primary key of the item to update
`updateExpression`	string	Yes	Update expression (e.g., "SET #name = :name")
`expressionAttributeNames`	object	No	Attribute name mappings for reserved words
`expressionAttributeValues`	object	No	Expression attribute values
`conditionExpression`	string	No	Condition that must be met for the update to succeed

Parameter	Type	Description
`message`	string	Operation status message
`item`	object	Updated item

Delete an item from a DynamoDB table

Parameter	Type	Required	Description
`region`	string	Yes	AWS region (e.g., us-east-1)
`accessKeyId`	string	Yes	AWS access key ID
`secretAccessKey`	string	Yes	AWS secret access key
`tableName`	string	Yes	DynamoDB table name
`key`	object	Yes	Primary key of the item to delete
`conditionExpression`	string	No	Condition that must be met for the delete to succeed

Parameter	Type	Description
`message`	string	Operation status message