> For the complete documentation index, see [llms.txt](https://appmaster.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://appmaster.gitbook.io/docs/business-logic/block/functions/array/array-size.md).

# Array Size

Returns the size of a given array.

**Example:** Array Size(\[1, 2, 3]) = 3.

### Flow Connections <a href="#flow-connections" id="flow-connections"></a>

* \[Input] In - starts the block's execution.
* \[Output] Out - activates when the block has finished its execution.

### Data Connections <a href="#data-connections" id="data-connections"></a>

* \[Input] Array (array, any type) - array to be evaluated.
* \[Output] Size (integer) - size of/number of elements in the "Array" data input.