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

Function AddFieldFromExpressionAsync(Of T) ( 
	name As String,
	expr As String,
	onResult As Func(Of Response, T),
	Optional asyncHandle As AsyncHandle = Nothing
) As Task(Of T)

Parameters

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.

onResult

Type: SystemFuncResponse, T
Continuation function

asyncHandle (Optional)

Type: Qlik.EngineAsyncHandle
Handle to asyncronous method request

Type Parameters

T

Return Value

Reference