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a!listType() Function

Function

a!listType( typeNumber )

Returns the list type number for a given type number.

Parameters

Keyword Type Description

typeNumber

Number (Integer)

The type for whose corresponding list type should be returned. This may be retrieved by using typeof(x), where x is a value of the intended type, referencing a type with 'type!{namespace}type-name' (within single quotes), or for records, using the record type reference (e.g. recordType!Customer).

Returns

Number (Integer)

Examples

Getting list type

1

a!listType(type!Integer)

Returns 101, which corresponds to the type List of Number (Integer).

1

a!listType(recordType!Customer)

Returns 2893, which corresponds to the type List of Customer. Your record types and their type numbers will be different from this example.

Getting types from a list of types

1

a!listType({type!Integer, type!Decimal})

Returns {101, 102}, which corresponds to the types List of Number (Integer) and List of Number (Decimal), respectively.

Getting list type from a dictionary

1
2
3

a!listType(
  tointeger({ dictionaryKey: type!Integer }.dictionaryKey)
)

Returns 101, which corresponds to the type List of Number (Integer). Dictionary values must be cast to Integer before getting their list type using a!listType.

Comparing text from a map or CDT

1

a!listType(a!map(mapKey: type!Integer).mapKey)

Returns 101, which corresponds to the type List of Number (Integer).

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

Custom record fields that evaluate in real time must be configured using one or more Custom Field functions.
Process Reports Incompatible

Cannot be used to configure a process report.
Process Events Incompatible

Cannot be used to configure a process event node, such as a start event or timer event.

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