First
Last updated
Last updated
The First()
function returns the first item in a list or concept set.
This function is NOT SQL compatible. For more information about SQL compatibility, see our documentation.
Returns the first item in the given list
or concept_set
.
Returns Unknown
if one of the parameter values is unknown or outside the common valid date boundaries.
Name | Type | Required | Description |
---|---|---|---|
| List of elements of the same type | a list of values or elements of the same type. | |
| A list of concepts | a list of concepts |