Task<T> AddFieldFromExpressionAsync<T>(
	AsyncHandle asyncHandle,
	Func<Response, T> onResult,
	string name,
	string expr
)

Function AddFieldFromExpressionAsync(Of T) ( 
	asyncHandle As AsyncHandle,
	onResult As Func(Of Response, T),
	name As String,
	expr As String
) As Task(Of T)

Parameters

asyncHandle

Type: Qlik.EngineAsyncHandle
Handle to asynchronous method request

onResult

Type: SystemFuncResponse, T
Continuation function

name

Type: SystemString
Name of the field.

expr

Type: SystemString
Expression value. It is not possible to use all aggregation functions. For example, you cannot add a field on the fly with an expression that uses the Sum or Count aggregation functions.

Type Parameters

T

Return Value

Reference