allprojects {  
    repositories {  
        ...  
        maven { url 'https://jitpack.io' }  
    }  
}  

dependencies {
  implementation 'com.github.jeziellago:Linkt:TAG'
}

class MyDeepLinkModule : DeepLinkModule {

    override fun load() {
        deepLinkOf(
            "linkt://sample",
            "linkt://sample/{userId}/{userName}"
        ) { context, bundle ->
            Intent(context, MainActivity::class.java)
                .apply { putExtras(bundle) }
        }
    }
}

class  MyApplication : Application () {
     override  fun  onCreate () {
         super .onCreate()
         DeepLinkLoader .setup( MyDeepLinkModule ()) 
    } 
}

class DeepLinkActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        // resolve deeplink
        DeepLinkLoader.loadFrom(this)
    }
}

<activity
    android:name="org.linkt.DeepLinkActivity"
    android:theme="@android:style/Theme.NoDisplay">
    <intent-filter>
        <action android:name="android.intent.action.VIEW" />
        <category android:name="android.intent.category.DEFAULT" />
        <category android:name="android.intent.category.BROWSABLE" />
        <data android:scheme="mycompany" />
    intent-filter>
activity>

// get path parameters
val userId = intent.extras.getString("userId")
val userId = intent.extras.getString("userName")

// get query parameters
val subject = intent.extras.getString("subject")
val name = intent.extras.getString("name")

// get path parameters
val userId = intent.extras.getString("userId")
val userId = intent.extras.getString("userName")
// get query parameters
val subject = intent.extras.getString("subject")
val name = intent.extras.getString("name")