To create custom field for document with dropdown option, please follow the steps mentioned below.
Step - 1 : Go to “Sales” >> click on “Document Settings”
Step - 2 : Click on add custom field option.
Step - 3 : Select Document and click on “New Custom Field”
Step - 4 : Enter the field name, next click on type and select dropdown option.
Step - 5 : Enter the required input and click on save.
