Buffer

Accumulates incoming elements until reaching a defined threshold, then transmits the full batch at once.

Parameters

Parameter	Type	Required	Variable	Description
bufferSize	number	Yes	No	Number of items to accumulate before passing them to the next block. (min 1, max 10000)
bufferTimeout	number	No	No	Maximum delay in milliseconds before flushing the buffer, even if not full.
flushMode	choice (size, timeout, both)	No	No	Flush trigger: by size, by timeout, or both (whichever comes first). (Default: "size")
outputVariable	text	No	No	Output variable name containing the accumulated items.

Output

Output variable : bufferedData

{
  "items": [],
  "count": 0
}

Example

Accumulate 10 elements before processing.

Input :

{"item": {"id": 1}}

Output :

{"items": [{"id": 1}, {"id": 2}, "..."], "count": 10}

Tip

{{bufferedData.items}} contains the accumulated array. {{bufferedData.count}} indicates the number of elements in the batch.