diff --git a/src/main/java/envoy/event/ContactOperation.java b/src/main/java/envoy/event/ContactOperation.java
new file mode 100644
index 0000000..1a5a108
--- /dev/null
+++ b/src/main/java/envoy/event/ContactOperation.java
@@ -0,0 +1,50 @@
+package envoy.event;
+
+import envoy.data.User;
+
+/**
+ * Project: envoy-common
+ * File: ContactOperation.java
+ * Created: 05.02.2020
+ *
+ * @author Maximilian Käfer
+ * @since Envoy Common v0.2-alpha
+ */
+public class ContactOperation implements Event {
+
+ public enum Operation {
+ ADD, REMOVE;
+ }
+
+ private final User contact;
+ private final Operation operationType;
+
+ private static final long serialVersionUID = -1166652868189511553L;
+
+ /**
+ * Initializes a {@link ContacsOperation}.
+ *
+ * @param operationType the {@link Operation} which should be executed on the
+ * {@link contact}.
+ * @since Envoy Common v0.2-alpha
+ */
+ public ContactOperation(User contact, Operation operationType) {
+ this.contact = contact;
+ this.operationType = operationType;
+ }
+
+ /**
+ * @return the {@link User}, which should be added/removed from the contacts
+ * list.
+ * @since Envoy Common v0.2-alpha
+ */
+ @Override
+ public User get() { return contact; }
+
+ /**
+ * @return the {@link Operation}, which should be executed with the contact,
+ * this event corresponds with.
+ * @since Envoy Common v0.2-alpha
+ */
+ public Operation getOperationType() { return operationType; }
+}
diff --git a/src/main/java/envoy/event/ContactsRequest.java b/src/main/java/envoy/event/ContactsRequest.java
new file mode 100644
index 0000000..04abcfd
--- /dev/null
+++ b/src/main/java/envoy/event/ContactsRequest.java
@@ -0,0 +1,32 @@
+package envoy.event;
+
+/**
+ * Project: envoy-common
+ * File: ContactsRequest.java
+ * Created: 05.02.2020
+ *
+ * @author Maximilian Käfer
+ * @since Envoy Common v0.2-alpha
+ */
+public class ContactsRequest implements Event {
+
+ private final String request;
+
+ private static final long serialVersionUID = -7969312055630533627L;
+
+ /**
+ * Initializes a {@link ContactsRequest}.
+ *
+ * @param request the string, which is entered by the client to request
+ * corresponding clients as contacts from the server.
+ * @since Envoy Common v0.2-alpha
+ */
+ public ContactsRequest(String request) { this.request = request; }
+
+ /**
+ * @return the request string
+ * @since Envoy Common v0.2-alpha
+ */
+ @Override
+ public String get() { return request; }
+}