# TO_GEOTILE

Converts an input value to a `geotile` value. A string will only be successfully converted if it follows the `geotile` format, as described for the geotile grid aggregation.

## Syntax

`TO_GEOTILE(field)`

### Parameters

#### field

Input value to be converted. The input can be a single- or multi-valued column or an expression.

## Examples

Converts the string "4/8/5" into a geotile value and stores it in a new column.
```esql
ROW string = "4/8/5"
| EVAL geotile = TO_GEOTILE(string)
```
