Customer fields enables you to save additional information of a customer, and there are two ways to save information. Additional information can be added by your agents on the Sendbird Dashboard or by your customers from a client app.
Note: Refer to Prerequisite before saving additional customer information.
setCustomerCustomFields() method to let your customers save additional information about themselves directly from their app. The information must consist of a field and its value, and only the field already registered in Settings > Customer fields on the Sendbird Dashboard can be used.