Averages the values in a column in a list or database that match conditions you specify.
| Name | Type | Description |
| arg1 | ApiRange | Is the range of cells that makes up the list or database. A database is a list of related data. |
| arg2 | number | Is either the label of the column in double quotation marks or a number that represents the column's position in the list. |
| arg3 | string | Is the range of cells that contains the conditions you specify. The range includes a column label and one cell below the label for a condition. |