first
Full name: taxi.stdlib.first
Signature
declare extension function <T> first(collection: T[]):TDescription
Returns the first item within the collection. Throws an error if the collection is empty.
This function retrieves the first element in an ordered collection.
// Get the most recent transaction from a sorted list
find { account: Account } as {
latestTransaction: account.transactions.first()
}Examples
This example demonstrates how to use first() to retrieve the most recent transaction for an account.
Try it out
Schema
Query Plan
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Result
Query failed