> Portal Navigation: > > - Append `.md` to any URL under `https://dev.wix.com/docs/` to get its markdown version. > - Pages are either content pages (article or reference text) or menu pages (a list of links to child pages). > - To get a menu page, truncate any URL to a parent path and append `.md` (e.g. `https://dev.wix.com/docs/sdk.md`, `https://dev.wix.com/docs/sdk/core-modules.md`). > - Top-level index of all portals: https://dev.wix.com/docs/llms.txt > - Full concatenated docs: https://dev.wix.com/docs/llms-full.txt # Resource: Referring Customers # Type: Referring Customer Object # Link: https://dev.wix.com/docs/api-reference/business-management/marketing/referral-program/referring-customers/referring-customer-object.md ## Schema: ```json Type: Referring Customer Object | type: ReferringCustomer - name: id | type: string | description: ID of the referring customer. - name: contactId | type: string | description: Contact ID associated with the referring customer. - name: referralCode | type: string | description: Unique code for the referral. For example, `GxpxwAoMqxH8`. - name: revision | type: string | description: Revision number, which increments by 1 each time the referring customer is updated. To prevent conflicting changes, the current revision must be passed when updating the referring customer. - name: value | type: string | description: - name: createdDate | type: string | description: Date and time the referring customer was created. - name: seconds | type: string | description: - name: nanos | type: number | description: - name: updatedDate | type: string | description: Date and time the referring customer was last updated. ```