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Update description of v.windowPeriod variable

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Christopher Henn 2019-08-02 14:58:15 -07:00
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@ -59,8 +59,9 @@ This variable is typically used to define the `every` or `period` parameters of
[`window()` function](/v2.0/reference/flux/functions/built-in/transformations/window)
in data aggregation operations.
The value of this variable is calculated by dividing the total time within the displayed
time range by the dashboard refresh interval (defined by the **Refresh** dropdown).
The value of this variable is calculated by analyzing the duration of the Flux
query it is used within. Queries that fetch data from a longer time range will
have a larger `v.windowPeriod` duration.
## Custom dashboard variables
Create, manage, and use custom dashboard variables in the InfluxDB user interface (UI).