diff --git a/graphenej/src/main/java/de/bitsharesmunich/graphenej/AuthorityType.java b/graphenej/src/main/java/de/bitsharesmunich/graphenej/AuthorityType.java
new file mode 100644
index 0000000..ab0faa8
--- /dev/null
+++ b/graphenej/src/main/java/de/bitsharesmunich/graphenej/AuthorityType.java
@@ -0,0 +1,13 @@
+package de.bitsharesmunich.graphenej;
+
+/**
+ * Enum-type used to specify the different roles of an authority.
+ *
+ * @see <a href="https://bitshares.org/doxygen/authority_8hpp_source.html">Authority</a>
+ */
+
+public enum AuthorityType {
+    OWNER,
+    ACTIVE,
+    MEMO
+}