> For the complete documentation index, see [llms.txt](https://doc.velneo.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.velneo.com/30/velneo-vdevelop/proyectos-objetos-y-editores/editores/asistente-de-formulas/funciones-estandar/funciones-de-ficha-en-curso.md).

# Funciones de ficha en curso

Conjunto de [funciones de fórmula ](/30/velneo-vdevelop/proyectos-objetos-y-editores/editores/asistente-de-formulas.md)que nos permiten operar con la ficha en curso. Este tipo de funciones, por lo tanto, solamente estarán disponibles en fórmulas cuyo origen sea una ficha de una tabla de datos.

### registerExist

Función que devuelve true si el registro existe.

#### Sintaxis

`registerExist()`

#### Parámetros

No tiene.

Si el registro existe (está grabado en disco), devolverá 1, en caso contrario, devolverá 0.


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