> For the complete documentation index, see [llms.txt](https://200ok.gitbook.io/200ok-documents/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://200ok.gitbook.io/200ok-documents/user-manual/built-in-functions/text/capitalize.md).
# capitalize
capitalize() function is the Standard function available in 200OK.
**Description** : The capitalize function transforms a string by capitalizing its first letter.
**Syntax** : fx\_capitalize(hello)
**Example** : fx\_capitalize(hello) it returns by exemplifying a change from "hello" to "Hello", maintaining the remainder of the string intact.
**Request Side** :
Passing the value inside the function
Passing the value inside the function using index pattern
