Previous Step

This section contains the necessary method to go to previous step

In order to get back to previous step, user need to call this method.

BiometridStandard.getInstance().previousStep(processId: processId, callback: self)

Parameter	Description
processId: String	Process id
callback: ProcessCallback	callback

Implementation example

import UIKit
import BiometridStandardSDK

class ViewController: UIViewController, ProcessCallback {

    override func viewDidLoad() {
        super.viewDidLoad()
    }
    
    @IBAction func previousStepBtn(_ sender: Any) {
        BiometridStandard.getInstance().previousStep(processId: processId, callback: self)
    }
 
    func previousStepCallback(status: Bool, response: String?, error: Errors?) {
        print("status previous step", status)
        if error != nil {
            print(error?.rawValue)
            return
        }
        print("response previous step", response)
    }
}

Callback params

Parameter	Description
status: Bool	Method request status
response: String?	All the response from the api
error: Errors?	Errors associated enum