diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1f85e97d9a0..ceb2dccd838 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## 0.13.1
 
+* `Repos`:
+    * `Exposed`:
+      * `AbstractExposedWriteCRUDRepo#createAndInsertId` now is optional and returns nullable value
+
 ## 0.13.0
 
 **ALL DEPRECATIONS HAVE BEEN REMOVED**
diff --git a/repos/exposed/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/exposed/AbstractExposedWriteCRUDRepo.kt b/repos/exposed/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/exposed/AbstractExposedWriteCRUDRepo.kt
index 1440b5cfaf1..50530bfd24f 100644
--- a/repos/exposed/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/exposed/AbstractExposedWriteCRUDRepo.kt
+++ b/repos/exposed/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/exposed/AbstractExposedWriteCRUDRepo.kt
@@ -27,8 +27,24 @@ abstract class AbstractExposedWriteCRUDRepo<ObjectType, IdType, InputValueType>(
 
     protected abstract fun InsertStatement<Number>.asObject(value: InputValueType): ObjectType
 
-    protected abstract fun update(id: IdType, value: InputValueType, it: UpdateBuilder<Int>)
-    protected abstract fun createAndInsertId(value: InputValueType, it: InsertStatement<Number>): IdType
+    /**
+     * @param id Can be null only if [createAndInsertId] have returned null (it can be useful when you have
+     * autoincrement identifier)
+     * @param it Will be [UpdateStatement] when it is called from [update] method or [InsertStatement] from the [create]
+     * one. Anyway, it is main method where you should put the logic of table filling by [value] data
+     *
+     * @see createAndInsertId
+     */
+    protected abstract fun update(id: IdType?, value: InputValueType, it: UpdateBuilder<Int>)
+
+    /**
+     * Override this method to interact with [it] ([InsertStatement]) and put there new id with [IdType].
+     *
+     * By default, have null value due to the fact that in the most cases users have [autoIncrement]ing id columns
+     *
+     * @return In case when id for the model has been created new [IdType] should be returned
+     */
+    protected abstract fun createAndInsertId(value: InputValueType, it: InsertStatement<Number>): IdType?
 
     protected open fun insert(value: InputValueType, it: InsertStatement<Number>) {
         val id = createAndInsertId(value, it)