# Información repetida
**URL:** https://community.glideapps.com/t/informacion-repetida/40151
**Category:** Ask for Help
**Created:** [March 28, 2022, 1:42am UTC](https://community.glideapps.com/t/informacion-repetida/40151 "2022-03-28T01:42:01Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@Alberto\_Montiel](https://community.glideapps.com/u/Alberto_Montiel)
#### Post date: [March 28, 2022, 1:42am UTC](https://community.glideapps.com/t/informacion-repetida/40151/1 "2022-03-28T01:42:01Z")
En una Tabla tengo una Columna que se llama Número de Póliza, esta se llena cuando completas un formulario. mi pregunta es: cuando estoy llenando el formulario y coloco un numero de poliza que ya esta ingresado me informe que ya ese numero de póliza ya esta ingresado. como se puede hacer esto.
que yo ponga en el formulario Ejm: vida451000056932 y me diga en el formulario esta Póliza ya fue ingresada
hay forma de hacer eso??
Saludos,
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### Author:  [@Darren\_Murphy](https://community.glideapps.com/u/Darren_Murphy)
#### Post date: [March 28, 2022, 1:53am UTC](https://community.glideapps.com/t/informacion-repetida/40151/2 "2022-03-28T01:53:08Z")
To do that you would need to use a Custom Form.
- Write your new policy number to a User Specific Column
- Create a relation between the User Specific Column and your existing policy number column
- If the relation is not empty, then you have a duplicate
> [@How do I create a custom form?](https://community.glideapps.com/t/how-do-i-create-a-custom-form/25014):
>
> I’m just dropping this here so I have something to refer people to when they ask. This is a simple concept app (copyable), that demonstrates the following techniques: Building custom forms for adding and editing list items (as an alternative to the native forms provided by Glide) Preventing duplicate new entries using [User Specific Columns](https://docs.glideapps.com/all/reference/data-editor/user-specific-columns) and [Relations](https://docs.glideapps.com/all/reference/data-editor/computed-columns/relation-column) Enforcing mandatory input items The use of visibility conditions and user specific booleans to control user flow There is nothing particula…