# ArrayLength

The **ArrayLength** function returns the number of entries in a list.

### Syntax

```
ArrayLength(array)
```

The **ArrayLength** function has the following argument:

array Required Analytics Pro counts the number of entries in this list. Must reference a list parameter, or a column that contains list values

### Example

A table contains a *Products Bought* column that has list values. You can use the **ArrayLength** function to count the number of products in the list of values.

```
ArrayLength([Products Bought])
```

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