Power Query
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List
List.Accumulate
List.AllTrue
List.Alternate
List.AnyTrue
List.Average
List.Buffer
List.Combine
List.Contains
List.ContainsAll
List.ContainsAny
List.Count
List.Covariance
List.Dates
List.DateTimes
List.DateTimeZones
List.Difference
List.Distinct
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List.FindText
List.First
List.FirstN
List.Generate
List.InsertRange
List.Intersect
List.IsDistinct
List.IsEmpty
List.Last
List.LastN
List.MatchesAll
List.MatchesAny
List.Max
List.MaxN
List.Median
List.Min
List.MinN
List.Mode
List.Modes
List.NonNullCount
List.Numbers
List.PositionOf
List.PositionOfAny
List.Positions
List.Product
List.Random
List.Range
List.RemoveFirstN
List.RemoveItems
List.RemoveLastN
List.RemoveMatchingItems
List.RemoveNulls
List.RemoveRange
List.Repeat
List.ReplaceMatchingItems
List.ReplaceRange
List.ReplaceValue
List.Reverse
List.Select
List.Single
List.SingleOrDefault
List.Skip
List.Sort
List.Split
List.StandardDeviation
List.Sum
List.Times
List.Transform
List.TransformMany
List.Union
List.Zip
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List.Single

List.Single

Returns the one list item for a list of length one, otherwise throws an exception.
function (list as list) as nullable any

Description

If there is only one item in the list list, returns that item. If there is more than one item or the list is empty, the function throws an exception.

Category

List.Selection

Examples

Find the single value in the list {1}.
List.Single({1})
1
Find the single value in the list {1, 2, 3}.
List.Single({1, 2, 3})
[Expression.Error] There were too many elements in the enumeration to complete the operation.
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Last modified 3yr ago
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List.Single
Description
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Examples