How to customize the link field select value?

[Keerthana_Murugesan]

I want to add the Link field. Where I have to customize select option value to add extra description like that.

In this link select field on the green box. I want to add the another field value in follow up doctype.

like

FU-LEAD-2023-0001
            Chennai

[Aadhil_P_M]

Add field_name in Search field

https://docs.erpnext.com/docs/user/manual/en/search-record-by-specific-field

[Keerthana_Murugesan]

Thankyou @Aadhil_P_M