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# Passthrough functions

> Browse Sigma passthrough functions available in formulas and calculations.

Passthrough functions send requests to execute operations within your connected data platform, then return the response generated by your data platform's native functions.

| Function                             | Description                                                                                                                                                                       |
| ------------------------------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [AggDatetime](/docs/aggdatetime)     | Calls a data platform aggregate function that returns a [date data type](/docs/data-types-and-formats#date). Aggregate version of [CallDatetime](/docs/calldatetime).             |
| [AggGeography](/docs/agggeography)   | Calls a data platform aggregate function that returns a [geography data type](/docs/data-types-and-formats#geography). Aggregate version of [CallGeography](/docs/callgeography). |
| [AggLogical](/docs/agglogical)       | Calls a data platform aggregate function that returns a [logical data type](/docs/data-types-and-formats#logical). Aggregate version of [CallLogical](/docs/calllogical).         |
| [AggNumber](/docs/aggnumber)         | Calls a data platform aggregate function that returns a [number data type](/docs/data-types-and-formats#number). Aggregate version of [CallNumber](/docs/callnumber).             |
| [AggText](/docs/aggtext)             | Calls a data platform aggregate function that returns a [text data type](/docs/data-types-and-formats#text). Aggregate version of [CallText](/docs/calltext).                     |
| [AggVariant](/docs/aggvariant)       | Calls a data platform aggregate function that returns a [variant data type](/docs/data-types-and-formats#variant). Aggregate version of [CallVariant](/docs/callvariant).         |
| [CallDatetime](/docs/calldatetime)   | Calls a data platform function that returns a [date data type](/docs/data-types-and-formats#date).                                                                                |
| [CallGeography](/docs/callgeography) | Calls a data platform function that returns a [geography data type](/docs/data-types-and-formats#geography).                                                                      |
| [CallLogical](/docs/calllogical)     | Calls a data platform function that returns a [logical data type](/docs/data-types-and-formats#logical).                                                                          |
| [CallNumber](/docs/callnumber)       | Calls a data platform function that returns a [number data type](/docs/data-types-and-formats#number).                                                                            |
| [CallText](/docs/calltext)           | Calls a data platform function that returns a [text data type](/docs/data-types-and-formats#text).                                                                                |
| [CallVariant](/docs/callvariant)     | Calls a data platform function that returns a [variant data type](/docs/data-types-and-formats#variant).                                                                          |