Can we set the Prefix "GBP (£)" before the monetary amount on custom fields.

[gbabu1]

Prefix "GBP (£)" before the monetary amount on premium fields.

[Tanushree Maiti]

Hi @gbabu1 

Using Script , Partially you can achieve it .

Refer Servicenow Documentation: Default currency values in scripts   

Sample script is given in the documentation.

getCurrencyString()	Returns the currency value as entered as an unformatted number, prefixed by the 3-letter ISO currency code, separated by a semicolon.	JPY 21345.67
getCurrencyCode()	Returns the 3-letter ISO currency code for the currency value as entered.	JPY
getSessionCurrencyCode()	Returns the 3-letter ISO currency code for the user's session currency.	EUR
getReferenceCurrencyCode()	Returns the 3-letter ISO currency code for the reference currency.	USD
setValue()	Sets the currency value as: An unformatted number taken as a value in the user's session currency. An unformatted number prefixed by a 3-letter currency code separated by a semicolon.	4369.21 or JPY 4369.21
setDisplayValue()	Sets the currency value as: A number formatted in the user's locale that is taken as a value in the user's session currency. A number formatted in the user's locale prefixed by a 3-letter currency code separated by a semicolon.	4369.21 or JPY 4369.21