diff --git a/bin/main/com/github/insanusmokrassar/PsychomatrixBase/domain/interactors/CeilDescriptionInteractor.kt b/bin/main/com/github/insanusmokrassar/PsychomatrixBase/domain/interactors/CeilDescriptionInteractor.kt
new file mode 100644
index 0000000..379c1fd
--- /dev/null
+++ b/bin/main/com/github/insanusmokrassar/PsychomatrixBase/domain/interactors/CeilDescriptionInteractor.kt
@@ -0,0 +1,41 @@
+package com.github.insanusmokrassar.PsychomatrixBase.domain.interactors
+
+import com.github.insanusmokrassar.PsychomatrixBase.domain.UseCases.CeilDescriptionReady
+import com.github.insanusmokrassar.PsychomatrixBase.domain.UseCases.CeilDescriptionUseCase
+import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.CeilInfo
+import com.github.insanusmokrassar.PsychomatrixBase.domain.entities.CeilState
+import kotlinx.coroutines.*
+import kotlinx.coroutines.channels.BroadcastChannel
+import kotlinx.coroutines.channels.ReceiveChannel
+
+class CeilDescriptionInteractor : CeilDescriptionUseCase {
+    private val scope = CoroutineScope(Dispatchers.Default)
+    private val ceilDescriptionReadyBroadcastChannel = BroadcastChannel<CeilDescriptionReady>(
+        16
+    )
+    private val ceilDescriptionRequestedBroadcastChannel = BroadcastChannel<CeilState>(
+        8
+    )
+
+    override fun openCeilDescriptionReadySubscription(): ReceiveChannel<CeilDescriptionReady> {
+        return ceilDescriptionReadyBroadcastChannel.openSubscription()
+    }
+
+    override fun openCeilDescriptionRequestedSubscription(): ReceiveChannel<CeilState> {
+        return ceilDescriptionRequestedBroadcastChannel.openSubscription()
+    }
+
+    override fun descriptionReady(ceilState: CeilState, ceilInfo: CeilInfo) {
+        scope.launch {
+            ceilDescriptionReadyBroadcastChannel.send(ceilState to ceilInfo)
+        }
+    }
+
+    override fun requestDescription(ceilState: CeilState) {
+        scope.launch {
+            ceilDescriptionRequestedBroadcastChannel.send(
+                ceilState
+            )
+        }
+    }
+}
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