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Configurations

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bufferDays

bufferDays is a configuration that specifies the number of days the connector will roll back each time the pipeline starts. The recommended value is 2 days as this is the maximum processing latency from Google Analytics. This is not configurable from the frontend, and if a change is needed, please contact support. If the start_date for the pipeline is older than the current day minus bufferDays, this rollback will not be applied. For example, if the current_date is 2023-01-30:
  • A pipeline with the last synced day set to 2023-01-30 will start fetching data from 2023-01-28.
  • A pipeline with the last synced day set to 2023-01-29 will still start fetching data from 2023-01-28
  • A pipeline with the last synced day set to 2023-01-20will start fetching data from 2023-01-20.

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lookbackDays

The lookbackDays option is a configuration setting in the GA4 connector that determines how far back in time the connector will search each time it runs. This option is set because data changes on reports are limited to 30 days by default in Google Analytics. Therefore, 30 is the recommended value. For example, if lookbackDays is set to [30,7] and the current date is 2023-02-30, the connector will start fetching data from 2023-02-28 (since the default bufferDays is 2). It will then fetch data from the day 2023-01-31 and the day2023-02-23. It’s worth noting that Google limits data changes for the last 30 days. Therefore, setting the first value in lookbackDays to a number higher than 30 would not yield any additional data. If you would like to have even more updated data, we recommend adding more lookbackDay less than 30. Additionally, note that if the sync frequency of the pipeline is set to anything less than a day, the data from lookbackDays would be retrieved multiple times.

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Limitations

  • We do not currently support custom reports (This is planned to be developed: GA4 with Custom Fields)

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Collections

Last modified on May 29, 2026