# FIRSTNONBLANK Function (DAX)

Returns the first value in the column, column, filtered by the current context, where the expression is not blank.

## Syntax

```
FIRSTNONBLANK(<column>,<expression>)
```

## Parameters

Term |
Definition |
---|---|

column |
A column expression. |

expression |
An expression evaluated for blanks for each value of column. |

## Property Value/Return Value

A table containing a single column and single row with the computed first value.

## Remarks

The column argument can be any of the following:

A reference to any column.

A table with a single column.

A Boolean expression that defines a single-column table .

Note

Constraints on Boolean expressions are described in the topic, CALCULATE Function (DAX).

This function is typically used to return the first value of a column for which the expression is not blank. For example, you could get the last value for which there were sales of a product.

Note

To understand more about how context affects the results of formulas, see Context in DAX Formulas.

## See Also