diff --git a/postssystem.exposed/build.gradle b/postssystem.core.exposed/build.gradle
similarity index 100%
rename from postssystem.exposed/build.gradle
rename to postssystem.core.exposed/build.gradle
diff --git a/postssystem.exposed/gradle.properties b/postssystem.core.exposed/gradle.properties
similarity index 100%
rename from postssystem.exposed/gradle.properties
rename to postssystem.core.exposed/gradle.properties
diff --git a/postssystem.exposed/maven.publish.gradle b/postssystem.core.exposed/maven.publish.gradle
similarity index 100%
rename from postssystem.exposed/maven.publish.gradle
rename to postssystem.core.exposed/maven.publish.gradle
diff --git a/postssystem.exposed/publish.gradle b/postssystem.core.exposed/publish.gradle
similarity index 100%
rename from postssystem.exposed/publish.gradle
rename to postssystem.core.exposed/publish.gradle
diff --git a/postssystem.exposed/publish_config.json b/postssystem.core.exposed/publish_config.json
similarity index 100%
rename from postssystem.exposed/publish_config.json
rename to postssystem.core.exposed/publish_config.json
diff --git a/postssystem.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/ChannelsSizes.kt b/postssystem.core.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/ChannelsSizes.kt
similarity index 100%
rename from postssystem.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/ChannelsSizes.kt
rename to postssystem.core.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/ChannelsSizes.kt
diff --git a/postssystem.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedContentAPI.kt b/postssystem.core.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedContentAPI.kt
similarity index 100%
rename from postssystem.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedContentAPI.kt
rename to postssystem.core.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedContentAPI.kt
diff --git a/postssystem.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedPostsAPI.kt b/postssystem.core.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedPostsAPI.kt
similarity index 100%
rename from postssystem.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedPostsAPI.kt
rename to postssystem.core.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedPostsAPI.kt
diff --git a/postssystem.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/QueryExtensions.kt b/postssystem.core.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/QueryExtensions.kt
similarity index 100%
rename from postssystem.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/QueryExtensions.kt
rename to postssystem.core.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/QueryExtensions.kt
diff --git a/postssystem.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/content/BinaryContentHolderRepo.kt b/postssystem.core.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/content/BinaryContentHolderRepo.kt
similarity index 100%
rename from postssystem.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/content/BinaryContentHolderRepo.kt
rename to postssystem.core.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/content/BinaryContentHolderRepo.kt
diff --git a/postssystem.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/content/ContentHolderRepo.kt b/postssystem.core.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/content/ContentHolderRepo.kt
similarity index 100%
rename from postssystem.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/content/ContentHolderRepo.kt
rename to postssystem.core.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/content/ContentHolderRepo.kt
diff --git a/postssystem.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/content/SpecialContentHolderRepo.kt b/postssystem.core.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/content/SpecialContentHolderRepo.kt
similarity index 100%
rename from postssystem.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/content/SpecialContentHolderRepo.kt
rename to postssystem.core.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/content/SpecialContentHolderRepo.kt
diff --git a/postssystem.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/content/TextContentHolderRepo.kt b/postssystem.core.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/content/TextContentHolderRepo.kt
similarity index 100%
rename from postssystem.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/content/TextContentHolderRepo.kt
rename to postssystem.core.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/content/TextContentHolderRepo.kt
diff --git a/postssystem.exposed/src/test/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedContentAPICommonTests.kt b/postssystem.core.exposed/src/test/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedContentAPICommonTests.kt
similarity index 100%
rename from postssystem.exposed/src/test/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedContentAPICommonTests.kt
rename to postssystem.core.exposed/src/test/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedContentAPICommonTests.kt
diff --git a/postssystem.exposed/src/test/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedPostsAPICommonTests.kt b/postssystem.core.exposed/src/test/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedPostsAPICommonTests.kt
similarity index 100%
rename from postssystem.exposed/src/test/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedPostsAPICommonTests.kt
rename to postssystem.core.exposed/src/test/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedPostsAPICommonTests.kt
diff --git a/postssystem.core.publishing/build.gradle b/postssystem.core.publishing/build.gradle
new file mode 100644
index 00000000..5373032e
--- /dev/null
+++ b/postssystem.core.publishing/build.gradle
@@ -0,0 +1,44 @@
+buildscript {
+    repositories {
+        mavenLocal()
+        jcenter()
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-serialization:$kotlin_version"
+        classpath "com.jfrog.bintray.gradle:gradle-bintray-plugin:$gradle_bintray_plugin_version"
+    }
+}
+
+plugins {
+    id "org.jetbrains.kotlin.plugin.serialization" version "$kotlin_version"
+}
+
+project.version = "$core_version"
+project.group = "com.insanusmokrassar"
+
+apply plugin: "java-library"
+apply plugin: "kotlin"
+apply from: "./publish.gradle"
+
+repositories {
+    mavenLocal()
+    jcenter()
+    mavenCentral()
+    maven { url "https://kotlin.bintray.com/kotlinx" }
+}
+
+dependencies {
+    api "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+
+    if ((project.hasProperty('RELEASE_MODE') && project.property('RELEASE_MODE') == "true") || System.getenv('RELEASE_MODE') == "true") {
+        api "com.insanusmokrassar:postssystem.core:$core_version"
+    } else {
+        implementation project(":postssystem.core")
+    }
+
+    testImplementation "org.jetbrains.kotlin:kotlin-test"
+    testImplementation "org.jetbrains.kotlin:kotlin-test-junit"
+}
diff --git a/postssystem.core.publishing/maven.publish.gradle b/postssystem.core.publishing/maven.publish.gradle
new file mode 100644
index 00000000..87b6a8bf
--- /dev/null
+++ b/postssystem.core.publishing/maven.publish.gradle
@@ -0,0 +1,53 @@
+apply plugin: 'maven-publish'
+
+task javadocsJar(type: Jar) {
+    classifier = 'javadoc'
+}
+
+afterEvaluate {
+    project.publishing.publications.all {
+        // rename artifacts
+        groupId "${project.group}"
+        if (it.name.contains('kotlinMultiplatform')) {
+            artifactId = "${project.name}"
+        } else {
+            artifactId = "${project.name}-$name"
+        }
+    }
+}
+
+publishing {
+    publications.all {
+        artifact javadocsJar
+
+        pom {
+            description = "Publishing subsystem with necessary functionality related to publish mechanism"
+            name = "PostsSystem Core Publishing subsystem"
+            url = "https://git.insanusmokrassar.com/PostsSystem/Core/"
+
+            scm {
+                developerConnection = "scm:git:[fetch=]https://git.insanusmokrassar.com/PostsSystem/Core/.git[push=]https://git.insanusmokrassar.com/PostsSystem/Core/.git"
+                url = "https://git.insanusmokrassar.com/PostsSystem/Core/.git"
+            }
+
+            developers {
+                
+                    developer {
+                        id = "InsanusMokrassar"
+                        name = "Ovsiannikov Aleksei"
+                        email = "ovsyannikov.alexey95@gmail.com"
+                    }
+                
+            }
+
+            licenses {
+                
+                    license {
+                        name = "Apache Software License 2.0"
+                        url = "https://git.insanusmokrassar.com/PostsSystem/Core/src/master/LICENSE"
+                    }
+                
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/postssystem.core.publishing/publish.gradle b/postssystem.core.publishing/publish.gradle
new file mode 100644
index 00000000..b8cf4528
--- /dev/null
+++ b/postssystem.core.publishing/publish.gradle
@@ -0,0 +1,55 @@
+apply plugin: 'com.jfrog.bintray'
+
+apply from: "maven.publish.gradle"
+
+bintray {
+    user = project.hasProperty('BINTRAY_USER') ? project.property('BINTRAY_USER') : System.getenv('BINTRAY_USER')
+    key = project.hasProperty('BINTRAY_KEY') ? project.property('BINTRAY_KEY') : System.getenv('BINTRAY_KEY')
+    filesSpec {
+        from "${buildDir}/publications/"
+        eachFile {
+            String directorySubname = it.getFile().parentFile.name
+            if (it.getName() == "module.json") {
+                if (directorySubname == "kotlinMultiplatform") {
+                    it.setPath("${project.name}/${project.version}/${project.name}-${project.version}.module")
+                } else {
+                    it.setPath("${project.name}-${directorySubname}/${project.version}/${project.name}-${directorySubname}-${project.version}.module")
+                }
+            } else {
+                if (directorySubname == "kotlinMultiplatform" && it.getName() == "pom-default.xml") {
+                    it.setPath("${project.name}/${project.version}/${project.name}-${project.version}.pom")
+                } else {
+                    it.exclude()
+                }
+            }
+        }
+        into "${project.group}".replace(".", "/")
+    }
+    pkg {
+        repo = "InsanusMokrassar"
+        name = "${project.name}"
+        vcsUrl = "https://github.com/PostsSystem/PostsSystemCore"
+        licenses = ["Apache-2.0"]
+        version {
+            name = "${project.version}"
+            released = new Date()
+            vcsTag = "${project.version}"
+            gpg {
+                sign = true
+                passphrase = project.hasProperty('signing.gnupg.passphrase') ? project.property('signing.gnupg.passphrase') : System.getenv('signing.gnupg.passphrase')
+            }
+        }
+    }
+}
+
+bintrayUpload.doFirst {
+    publications = publishing.publications.collect {
+        if (it.name.contains('kotlinMultiplatform')) {
+            null
+        } else {
+            it.name
+        }
+    } - null
+}
+
+bintrayUpload.dependsOn publishToMavenLocal
\ No newline at end of file
diff --git a/postssystem.core.publishing/publish_config.kpsb b/postssystem.core.publishing/publish_config.kpsb
new file mode 100644
index 00000000..cdabae19
--- /dev/null
+++ b/postssystem.core.publishing/publish_config.kpsb
@@ -0,0 +1 @@
+{"bintrayConfig":{"repo":"InsanusMokrassar","packageName":"${project.name}","packageVcs":"https://github.com/PostsSystem/PostsSystemCore"},"licenses":[{"id":"Apache-2.0","title":"Apache Software License 2.0","url":"https://git.insanusmokrassar.com/PostsSystem/Core/src/master/LICENSE"}],"mavenConfig":{"name":"PostsSystem Core Publishing subsystem","description":"Publishing subsystem with necessary functionality related to publish mechanism","url":"https://git.insanusmokrassar.com/PostsSystem/Core/","vcsUrl":"https://git.insanusmokrassar.com/PostsSystem/Core/.git","developers":[{"id":"InsanusMokrassar","name":"Ovsiannikov Aleksei","eMail":"ovsyannikov.alexey95@gmail.com"}]},"type":"Multiplatform"}
\ No newline at end of file
diff --git a/postssystem.core.publishing/src/main/kotlin/com/insanusmokrassar/postssystem/core/publishing/PublishingRegistrator.kt b/postssystem.core.publishing/src/main/kotlin/com/insanusmokrassar/postssystem/core/publishing/PublishingRegistrator.kt
new file mode 100644
index 00000000..33d408a0
--- /dev/null
+++ b/postssystem.core.publishing/src/main/kotlin/com/insanusmokrassar/postssystem/core/publishing/PublishingRegistrator.kt
@@ -0,0 +1,52 @@
+package com.insanusmokrassar.postssystem.core.publishing
+
+import com.insanusmokrassar.postssystem.core.post.PostId
+import com.insanusmokrassar.postssystem.core.publishing.repos.PublishingKeysRepo
+import kotlinx.coroutines.channels.BroadcastChannel
+import kotlinx.coroutines.channels.Channel
+import kotlinx.coroutines.flow.Flow
+
+typealias TriggerControlKey = String
+
+interface ReadPublishingRegistrator {
+    suspend fun getPostIdByTriggerControlKey(
+        key: TriggerControlKey
+    ): PostId?
+}
+
+interface WritePublishingRegistrator {
+    val unregisteredKeysFlow: Flow<TriggerControlKey>
+
+    suspend fun registerTriggerForPost(
+        key: TriggerControlKey,
+        postId: PostId
+    ): Boolean
+}
+
+interface PublishingRegistrator : ReadPublishingRegistrator, WritePublishingRegistrator
+
+class BusinessPublishingRegistrator(
+    private val repo: PublishingKeysRepo
+) : PublishingRegistrator {
+    private val unregisteredKeysChannel: BroadcastChannel<TriggerControlKey> = BroadcastChannel(Channel.BUFFERED)
+    override val unregisteredKeysFlow: Flow<TriggerControlKey>
+        get() = TODO("Not yet implemented")
+
+    override suspend fun getPostIdByTriggerControlKey(
+        key: TriggerControlKey
+    ): PostId? = repo.getPostIdByTriggerControlKey(key)
+
+    override suspend fun registerTriggerForPost(
+        key: TriggerControlKey,
+        postId: PostId
+    ): Boolean = repo.getTriggerControlKeyByPostId(
+        postId
+    ).let { previousKey ->
+        repo.setPostTriggerControlKey(postId, key).also { inserted ->
+            if (inserted && previousKey != null) {
+                unregisteredKeysChannel.send(previousKey)
+            }
+        }
+    }
+}
+
diff --git a/postssystem.core.publishing/src/main/kotlin/com/insanusmokrassar/postssystem/core/publishing/PublishingTrigger.kt b/postssystem.core.publishing/src/main/kotlin/com/insanusmokrassar/postssystem/core/publishing/PublishingTrigger.kt
new file mode 100644
index 00000000..43d55206
--- /dev/null
+++ b/postssystem.core.publishing/src/main/kotlin/com/insanusmokrassar/postssystem/core/publishing/PublishingTrigger.kt
@@ -0,0 +1,14 @@
+package com.insanusmokrassar.postssystem.core.publishing
+
+import com.insanusmokrassar.postssystem.core.post.PostId
+import kotlinx.coroutines.flow.Flow
+
+interface PublishingTrigger {
+    val postingTriggeredFlow: Flow<PostId>
+
+    suspend fun triggerPosting(
+        triggerControlKey: TriggerControlKey
+    ): PostId?
+}
+
+
diff --git a/postssystem.core.publishing/src/main/kotlin/com/insanusmokrassar/postssystem/core/publishing/repos/PublishingKeysRepo.kt b/postssystem.core.publishing/src/main/kotlin/com/insanusmokrassar/postssystem/core/publishing/repos/PublishingKeysRepo.kt
new file mode 100644
index 00000000..ca18657d
--- /dev/null
+++ b/postssystem.core.publishing/src/main/kotlin/com/insanusmokrassar/postssystem/core/publishing/repos/PublishingKeysRepo.kt
@@ -0,0 +1,28 @@
+package com.insanusmokrassar.postssystem.core.publishing.repos
+
+import com.insanusmokrassar.postssystem.core.post.PostId
+import com.insanusmokrassar.postssystem.core.publishing.TriggerControlKey
+import kotlinx.coroutines.flow.Flow
+
+interface ReadPublishingKeysRepo {
+    suspend fun getPostIdByTriggerControlKey(
+        key: TriggerControlKey
+    ): PostId?
+    suspend fun getTriggerControlKeyByPostId(
+        postId: PostId
+    ): TriggerControlKey?
+}
+
+interface WritePublishingKeysRepo {
+    val postTriggerControlKeyUpdated: Flow<Pair<PostId, TriggerControlKey>>
+    val postTriggerControlKeyUnset: Flow<PostId>
+    suspend fun setPostTriggerControlKey(
+        postId: PostId,
+        key: TriggerControlKey
+    ): Boolean
+    suspend fun unsetPostTriggerControlKey(
+        postId: PostId
+    )
+}
+
+interface PublishingKeysRepo : ReadPublishingKeysRepo, WritePublishingKeysRepo
diff --git a/postssystem.core/build.gradle b/postssystem.core/build.gradle
index 18a32160..a0d67177 100644
--- a/postssystem.core/build.gradle
+++ b/postssystem.core/build.gradle
@@ -69,5 +69,10 @@ kotlin {
                 api "org.jetbrains.kotlinx:kotlinx-serialization-runtime-js:$kotlin_serialisation_runtime_version"
             }
         }
+        jsTest {
+            dependencies {
+                implementation kotlin('test-junit-js')
+            }
+        }
     }
 }
diff --git a/settings.gradle b/settings.gradle
index 467f37c0..94a1f2c0 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1,3 +1,4 @@
 rootProject.name='postssystem'
 include ':postssystem.core'
-include ':postssystem.exposed'
+include ':postssystem.core.exposed'
+include ':postssystem.core.publishing'