Function setUserFirstName

setUserFirstName(firstName: string | null): Promise<boolean | undefined>
Sets the first name of the current user.
Parameters
- firstName: string | null
  Limited to 255 characters in length. Accepts an explicit null value to null out attribute.
Returns Promise<boolean | undefined>
Resolves to a boolean that indicates whether the update was successfully enqueued. Resolves to undefined if the SDK is not initialized.
- Defined in core/set-user-first-name.ts:12