diff --git a/app/src/main/java/be/ugent/sel/studeez/domain/ConfigurationService.kt b/app/src/main/java/be/ugent/sel/studeez/domain/ConfigurationService.kt
index c20b772..26aeba5 100644
--- a/app/src/main/java/be/ugent/sel/studeez/domain/ConfigurationService.kt
+++ b/app/src/main/java/be/ugent/sel/studeez/domain/ConfigurationService.kt
@@ -1,4 +1,11 @@
 package be.ugent.sel.studeez.domain
 
+import be.ugent.sel.studeez.data.local.models.timer_info.TimerInfo
+
 interface ConfigurationService {
+
+    suspend fun fetchConfiguration(): Boolean
+
+    fun getDefaultTimers(): List<TimerInfo>
+
 }
\ No newline at end of file
diff --git a/app/src/main/java/be/ugent/sel/studeez/domain/implementation/FirebaseConfigurationService.kt b/app/src/main/java/be/ugent/sel/studeez/domain/implementation/FirebaseConfigurationService.kt
index 1e11fd8..e3db024 100644
--- a/app/src/main/java/be/ugent/sel/studeez/domain/implementation/FirebaseConfigurationService.kt
+++ b/app/src/main/java/be/ugent/sel/studeez/domain/implementation/FirebaseConfigurationService.kt
@@ -1,4 +1,38 @@
 package be.ugent.sel.studeez.domain.implementation
 
-class FirebaseConfigurationService {
+import be.ugent.sel.studeez.data.local.models.timer_info.*
+import be.ugent.sel.studeez.domain.ConfigurationService
+import com.google.firebase.ktx.Firebase
+import com.google.firebase.remoteconfig.ktx.get
+import com.google.firebase.remoteconfig.ktx.remoteConfig
+import com.google.firebase.remoteconfig.ktx.remoteConfigSettings
+import com.google.gson.Gson
+import kotlinx.coroutines.tasks.await
+import javax.inject.Inject
+
+class FirebaseConfigurationService @Inject constructor() : ConfigurationService {
+
+    init {
+        // fetch configs elke keer als app wordt opgestart
+        val configSettings = remoteConfigSettings { minimumFetchIntervalInSeconds = 0 }
+        remoteConfig.setConfigSettingsAsync(configSettings)
+    }
+
+    private val remoteConfig
+        get() = Firebase.remoteConfig
+
+    override suspend fun fetchConfiguration(): Boolean {
+        return remoteConfig.fetchAndActivate().await()
+    }
+
+    override fun getDefaultTimers(): List<TimerInfo> {
+        val jsonString: String = remoteConfig[DEFAULT_TIMERS].asString()
+        // Json is een lijst van timers
+        val timerJsonList: List<TimerJson> = ToTimerConverter().jsonToTimerJsonList(jsonString)
+        return ToTimerConverter().convertToTimerInfoList(timerJsonList)
+    }
+
+    companion object {
+        private const val DEFAULT_TIMERS = "default_timers"
+    }
 }
\ No newline at end of file