[Home](./index.md) > [@datashaper/schema](./schema.md) > [WindowFunction](./schema.windowfunction.md) ## WindowFunction enum These are operations that perform windowed compute. See https://uwdata.github.io/arquero/api/op\#window-functions Signature: ```typescript export declare enum WindowFunction ``` ## Enumeration Members | Member | Value | Description | | --- | --- | --- | | CumulativeDistribution | "cume_dist" | | | FillDown | "fill_down" | | | FillUp | "fill_up" | | | FirstValue | "first_value" | | | LastValue | "last_value" | | | PercentRank | "percent_rank" | | | Rank | "rank" | | | RowNumber | "row_number" | | | UUID | "uuid" | |