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a!dataSubset() Function

Function

a!dataSubset( startIndex, batchSize, sort, totalCount, data, identifiers )

Creates a value of type DataSubset for defining the source of expression-backed records and for use with a!pickerFieldCustom, leaving the data as provided. To apply sorting and paging, use todatasubset().

See also: DataSubset

Parameters

Keyword Type Description

startIndex

Integer

The index of the first item to be returned in the subset.

batchSize

Integer

The number of items to be returned in the subset.

sort

SortInfo Array

Valid values include null, or a SortInfo where <SortInfo>.field is the name of a field on the input array elements or "dot" notation for a nested field.

totalCount

Integer

The number of items in total.

data

Any Type Array

The data to be returned in the subset.

identifiers

Any Type Array

A parallel list of unique identifiers for each item in the subset.

Returns

DataSubset

Examples

You can copy and paste these examples into the Expression Rule Designer to see how this works.

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	=a!dataSubset(
       startIndex: 1,
       batchSize: 4,
       sort: a!sortInfo(
         field: "name",
         ascending: true()
       ),
       totalCount: 10,
       data: {"a", "b", "c", "d"},
       identifiers: {1, 2, 3, 4}
    )

returns

/returns-datasubset

Feature compatibility

The table below lists this function's compatibility with various features in Appian.
Feature Compatibility Note
Portals Compatible
Offline Mobile Compatible
Sync-Time Custom Record Fields Incompatible
Real-Time Custom Record Fields Incompatible
Process Reports Incompatible

You cannot use this function to configure a process report.
Process Events Incompatible

You cannot use this function to configure a process event node, such as a start event or timer event.

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