diff --git a/pom.xml b/pom.xml
index cd19900..66eee2d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>dev.struchkov</groupId>
     <artifactId>autoresponder</artifactId>
-    <version>3.2.0</version>
+    <version>3.3.0</version>
     <packaging>jar</packaging>
 
     <name>Abstract Autoresponder</name>
@@ -27,7 +27,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 
-        <haiti.utils.ver>1.0.2</haiti.utils.ver>
+        <haiti.utils.ver>1.0.3</haiti.utils.ver>
 
         <junit.ver>5.8.2</junit.ver>
         <slf4j.ver>1.7.36</slf4j.ver>
diff --git a/src/main/java/dev/struchkov/autoresponder/Responder.java b/src/main/java/dev/struchkov/autoresponder/Responder.java
index 591a20d..d5d92e7 100644
--- a/src/main/java/dev/struchkov/autoresponder/Responder.java
+++ b/src/main/java/dev/struchkov/autoresponder/Responder.java
@@ -11,6 +11,7 @@ import java.util.Collection;
 import java.util.HashSet;
 import java.util.Optional;
 import java.util.Set;
+import java.util.function.Predicate;
 import java.util.regex.Pattern;
 
 import static dev.struchkov.autoresponder.util.Parser.splitWords;
@@ -64,12 +65,17 @@ public final class Responder {
                 if (percentageMatch(unit, message) >= unit.getMatchThreshold()) {
                     searchUnit.add(unit);
                 }
+
+                final Predicate<String> triggerCheck = unit.getTriggerCheck();
+                if (triggerCheck != null && triggerCheck.test(message)) {
+                    searchUnit.add(unit);
+                }
             }
         }
 
         if (searchUnit.isEmpty()) {
             for (U nextUnit : nextUnits) {
-                if (isNotPattern(nextUnit) && isNotKeyWords(nextUnit) && isNotPhrase(nextUnit)) {
+                if (isNotTrigger(nextUnit)) {
                     searchUnit.add(nextUnit);
                 }
             }
@@ -78,17 +84,25 @@ public final class Responder {
         return searchUnit.stream().max(UNIT_PRIORITY_COMPARATOR);
     }
 
-    private static <U extends Unit<U>> boolean isNotPhrase(U nextUnit) {
-        final Set<String> phrases = nextUnit.getPhrases();
+    private static <U extends Unit<U>> boolean isNotTrigger(U nextUnit) {
+        return isNotPattern(nextUnit) && isNotKeyWords(nextUnit) && isNotPhrase(nextUnit) && isNotCheck(nextUnit);
+    }
+
+    private static <U extends Unit<U>> boolean isNotCheck(U unit) {
+        return unit.getTriggerCheck() == null;
+    }
+
+    private static <U extends Unit<U>> boolean isNotPhrase(U unit) {
+        final Set<String> phrases = unit.getPhrases();
         return phrases == null || phrases.isEmpty();
     }
 
-    private static <U extends Unit<U>> boolean isNotPattern(U nextUnit) {
-        return nextUnit.getPattern() == null;
+    private static <U extends Unit<U>> boolean isNotPattern(U unit) {
+        return unit.getPattern() == null;
     }
 
-    private static <U extends Unit<U>> boolean isNotKeyWords(U nextUnit) {
-        final Set<KeyWord> keyWords = nextUnit.getKeyWords();
+    private static <U extends Unit<U>> boolean isNotKeyWords(U unit) {
+        final Set<KeyWord> keyWords = unit.getKeyWords();
         return keyWords == null || keyWords.isEmpty();
     }
 
@@ -106,7 +120,7 @@ public final class Responder {
             log.debug(Message.UNIT_KEYWORDS, unitKeyWords, unitKeyWords.size());
             log.debug(Message.USER_MESSAGE_KEYWORDS, messageWords);
             log.debug(Message.INTERSECTION, intersection, intersectionWeight);
-            log.debug(Message.CROSSING_PERCENTAGE, intersectionWeight / (double) unitKeyWords.size() * 100.0, unit.getMatchThreshold());
+            log.debug(Message.CROSSING_PERCENTAGE, intersectionWeight / unitKeyWords.size() * 100.0, unit.getMatchThreshold());
             return (double) intersection.size() / (double) unitKeyWords.size() * 100.0;
         } else {
             return 0.0;
diff --git a/src/main/java/dev/struchkov/autoresponder/entity/Unit.java b/src/main/java/dev/struchkov/autoresponder/entity/Unit.java
index 940ee47..f692ce3 100644
--- a/src/main/java/dev/struchkov/autoresponder/entity/Unit.java
+++ b/src/main/java/dev/struchkov/autoresponder/entity/Unit.java
@@ -1,9 +1,9 @@
 package dev.struchkov.autoresponder.entity;
 
 import java.util.Collection;
-import java.util.HashSet;
 import java.util.Objects;
 import java.util.Set;
+import java.util.function.Predicate;
 import java.util.regex.Pattern;
 
 /**
@@ -28,8 +28,10 @@ public abstract class Unit<U extends Unit<U>> {
      */
     protected Pattern pattern;
 
+    protected Predicate<String> triggerCheck;
+
     /**
-     * Значение минимального отношения количества найденых ключевых слов, к количеству ключевых слов Unit-а.
+     * Значение минимального отношения количества найденных ключевых слов, к количеству ключевых слов Unit-а.
      */
     protected Integer matchThreshold;
 
@@ -46,6 +48,7 @@ public abstract class Unit<U extends Unit<U>> {
     protected Unit(
             Set<KeyWord> keyWords,
             Set<String> phrases,
+            Predicate<String> triggerCheck,
             Pattern pattern,
             Integer matchThreshold,
             Integer priority,
@@ -53,6 +56,7 @@ public abstract class Unit<U extends Unit<U>> {
     ) {
         this.keyWords = keyWords;
         this.phrases = phrases;
+        this.triggerCheck = triggerCheck;
         this.pattern = pattern;
         this.matchThreshold = matchThreshold == null ? 10 : matchThreshold;
         this.priority = priority == null ? 10 : priority;
@@ -76,7 +80,7 @@ public abstract class Unit<U extends Unit<U>> {
     }
 
     public void addPhrases(Collection<String> phrases) {
-        phrases.addAll(phrases);
+        this.phrases.addAll(phrases);
     }
 
     public Pattern getPattern() {
@@ -111,6 +115,14 @@ public abstract class Unit<U extends Unit<U>> {
         this.nextUnits = nextUnits;
     }
 
+    public Predicate<String> getTriggerCheck() {
+        return triggerCheck;
+    }
+
+    public void setTriggerCheck(Predicate<String> triggerCheck) {
+        this.triggerCheck = triggerCheck;
+    }
+
     @Override
     public boolean equals(Object o) {
         if (this == o) return true;