Need to Pass Quotation mark (") in custom fields via scripting

Hi All,

Good day!!!

we are having one customer required to pass the Quotation mark (") in the scripting for string fields,

for example

In the custom BO, one element String field

in Before save, need to pass data as this.String = "; i.e in screen String : "

if any one knows who to pass the Quotation let me know.

Regards,

Rudhra