POST /

Content-Type: application/x-amz-json-1.0
X-Amz-Target: DynamoDB_20120810.TransactWriteItems

{"ClientRequestToken":"__ClientRequestToken__","ReturnConsumedCapacity":"INDEXES","ReturnItemCollectionMetrics":"SIZE","TransactItems":[{"ConditionCheck":{"ConditionExpression":"__ConditionExpression__","ExpressionAttributeNames":{"key0":"__Value__"},"ExpressionAttributeValues":{"key0":{"S":"__AttributeValueMemberS__"}},"Key":{"key0":{"S":"__AttributeValueMemberS__"}},"ReturnValuesOnConditionCheckFailure":"ALL_OLD","TableName":"__TableName__"},"Delete":{"ConditionExpression":"__ConditionExpression__","ExpressionAttributeNames":{"key0":"__Value__"},"ExpressionAttributeValues":{"key0":{"S":"__AttributeValueMemberS__"}},"Key":{"key0":{"S":"__AttributeValueMemberS__"}},"ReturnValuesOnConditionCheckFailure":"ALL_OLD","TableName":"__TableName__"},"Put":{"ConditionExpression":"__ConditionExpression__","ExpressionAttributeNames":{"key0":"__Value__"},"ExpressionAttributeValues":{"key0":{"S":"__AttributeValueMemberS__"}},"Item":{"key0":{"S":"__AttributeValueMemberS__"}},"ReturnValuesOnConditionCheckFailure":"ALL_OLD","TableName":"__TableName__"},"Update":{"ConditionExpression":"__ConditionExpression__","ExpressionAttributeNames":{"key0":"__Value__"},"ExpressionAttributeValues":{"key0":{"S":"__AttributeValueMemberS__"}},"Key":{"key0":{"S":"__AttributeValueMemberS__"}},"ReturnValuesOnConditionCheckFailure":"ALL_OLD","TableName":"__TableName__","UpdateExpression":"__UpdateExpression__"}},{"ConditionCheck":{"ConditionExpression":"__ConditionExpression__","ExpressionAttributeNames":{"key0":"__Value__"},"ExpressionAttributeValues":{"key0":{"S":"__AttributeValueMemberS__"}},"Key":{"key0":{"S":"__AttributeValueMemberS__"}},"ReturnValuesOnConditionCheckFailure":"ALL_OLD","TableName":"__TableName__"},"Delete":{"ConditionExpression":"__ConditionExpression__","ExpressionAttributeNames":{"key0":"__Value__"},"ExpressionAttributeValues":{"key0":{"S":"__AttributeValueMemberS__"}},"Key":{"key0":{"S":"__AttributeValueMemberS__"}},"ReturnValuesOnConditionCheckFailure":"ALL_OLD","TableName":"__TableName__"},"Put":{"ConditionExpression":"__ConditionExpression__","ExpressionAttributeNames":{"key0":"__Value__"},"ExpressionAttributeValues":{"key0":{"S":"__AttributeValueMemberS__"}},"Item":{"key0":{"S":"__AttributeValueMemberS__"}},"ReturnValuesOnConditionCheckFailure":"ALL_OLD","TableName":"__TableName__"},"Update":{"ConditionExpression":"__ConditionExpression__","ExpressionAttributeNames":{"key0":"__Value__"},"ExpressionAttributeValues":{"key0":{"S":"__AttributeValueMemberS__"}},"Key":{"key0":{"S":"__AttributeValueMemberS__"}},"ReturnValuesOnConditionCheckFailure":"ALL_OLD","TableName":"__TableName__","UpdateExpression":"__UpdateExpression__"}}]}