diff --git a/377-Send-Sidebar-Interface.mediawiki b/377-Send-Sidebar-Interface.mediawiki
new file mode 100644
index 0000000..0686242
--- /dev/null
+++ b/377-Send-Sidebar-Interface.mediawiki
@@ -0,0 +1,21 @@
+[[Category Packet]]
+[[Category Packet 377]]
+{{packet|name=Set Sidebar Interface|description=Sets the interface for the sidebar.|opcode=10|type=Fixed|length=3|revision=377}}
+== Interface Animation ==
+
+=== Description ===
+Sets the specified interface to the specified sidebar.
+
+=== Packet Structure ===
+
+{| border=2
+! Data type
+! Description
+|-
+| [[Data Types#Standard data types|Byte]] [[Data Types#Standard data types|Special S]]
+| Sidebar Index
+|-
+| [[Data Types#Byte Order|Big Endian]] [[Data Types#Standard data types|Short]] [[Data Types#Non Standard Data Types|Special A]]
+| Interface ID
+|-
+|}
\ No newline at end of file
diff --git a/Categories.mediawiki b/Categories.mediawiki
index bb7e5b7..e6e2af6 100644
--- a/Categories.mediawiki
+++ b/Categories.mediawiki
@@ -1,10 +1,10 @@
 <!-- DO NOT EDIT THIS FILE, CODE AUTOMATICALLY GENERATED BY category.sh -->
 The following categories contain pages or media.
 * [[Category Data Type]] (3 members)
-* [[Category Packet]] (89 members)
+* [[Category Packet]] (90 members)
 * [[Category Packet 194]] (4 members)
 * [[Category Packet 317]] (80 members)
-* [[Category Packet 377]] (3 members)
+* [[Category Packet 377]] (4 members)
 * [[Category Packet 474]] (1 members)
 * [[Category Packet {{{revision}}}]] (1 members)
 * [[Category RS2]] (9 members)
diff --git a/Category-Packet-377.mediawiki b/Category-Packet-377.mediawiki
index 8a994bf..c878d58 100644
--- a/Category-Packet-377.mediawiki
+++ b/Category-Packet-377.mediawiki
@@ -1,6 +1,7 @@
 <!-- DO NOT EDIT BELOW THIS LINE, OR CHANGE THIS COMMENT, CODE AUTOMATICALLY GENERATED BY category.sh -->
 == '''Pages in category "Packet 377"''' ==
-The following 3 pages are in this category.
+The following 4 pages are in this category.
 * [[377 Interface Animation]]
 * [[377 Logout]]
 * [[377 Protocol]]
+* [[377 Send Sidebar Interface]]
diff --git a/Category-Packet.mediawiki b/Category-Packet.mediawiki
index 293dc7b..da4787b 100644
--- a/Category-Packet.mediawiki
+++ b/Category-Packet.mediawiki
@@ -1,6 +1,6 @@
 <!-- DO NOT EDIT BELOW THIS LINE, OR CHANGE THIS COMMENT, CODE AUTOMATICALLY GENERATED BY category.sh -->
 == '''Pages in category "Packet"''' ==
-The following 89 pages are in this category.
+The following 90 pages are in this category.
 * [[194 Clear screen]]
 * [[194 Logout]]
 * [[194 Protocol]]
@@ -88,5 +88,6 @@ The following 89 pages are in this category.
 * [[377 Interface Animation]]
 * [[377 Logout]]
 * [[377 Protocol]]
+* [[377 Send Sidebar Interface]]
 * [[474 Protocol]]
 * [[Template Packet]]