Count

Objective

Provide the number of events within the window defiend by the group by defintion

Example

time window:
  emitting type: slidingCountPrices
  window fucntions:
    px count:
      function:
        count: {}
      attributes: [ ask,bid ]
  policy:
    type: slidingTime
    slide: 500
    window size: 2500

Output attributes

After processing, attributes receive automatically applied postfix ID = COUNTW

Before processing	After processing	Type
ask	ask_COUNTW	integer value
bid	bid_COUNTW	integer value