get_fusd_balance.cdc

// This script returns the balance of an account's FUSD vault.
//
// Parameters:
// - address: The address of the account holding the FUSD vault.
//
// This script will fail if they account does not have an FUSD vault. 
// To check if an account has a vault or initialize a new vault, 
// use check_fusd_vault_setup.cdc and setup_fusd_vault.cdc respectively.
import FungibleToken from 0xee82856bf20e2aa6
import FUSD from 0xf8d6e0586b0a20c7
pub fun main(address: Address): UFix64 {
    let account = getAccount(address)

    let vaultRef = account.getCapability(/public/fusdBalance)
        .borrow<&FUSD.Vault{FungibleToken.Balance}>()
        ?? panic("Could not borrow Balance reference to the Vault")

    return vaultRef.balance
}