Scenario: Client needs make create a bank detail via CSV import which needs be attached to the vendor record that already exist.
Solution:
Navigate to Setup > Import/Export > Import CSV Records
Import Type: Select Custom Records
Record Type: Select Bank Details
Click Select button
Click on the preferred CSV file
Click Open
Click Next
Data Handling: Add
Click Advanced Options
Custom Form: Select Standard Entity Bank Details Form
Run Server SuiteScript and Trigger Workflows: Enter Checkmark
Click Next
Configure the following on Field Mapping:
Your Fields
CSV File : NetSuite Fields
Employee ID : Parent Employee
Bank Account Number : Bank Account Number
Branch Number : Branch Number
Type : Type
Payment File Format : Payment File Format
Click Next
Import Map Name: Enter Name
Click Save & Run