diff --git a/table.proto b/table.proto
index 70d5f45..34e25a0 100644
--- a/table.proto
+++ b/table.proto
@@ -14,6 +14,12 @@ message StringRow {
         repeated Widget                      widgets        = 3;
 }
 
+message ButtonRow {
+        Widget                               header         = 1;
+        repeated string                      vals           = 2;
+        repeated Widget                      widgets        = 3;
+}
+
 message IntRow {
         Widget                               header         = 1;
         repeated int64                       vals           = 2;
@@ -37,10 +43,11 @@ message Table {                                                   // `autogenpb:
         Widget                               parent         = 3;
         Widget                               grid           = 4;
         repeated string                      order          = 5;
-        repeated StringRow                   StringRows     = 6;
-        repeated IntRow                      IntRows        = 7;
-        repeated TimeRow                     TimeRows       = 8;
-        repeated BoolRow                     BoolRows       = 9;
+        repeated StringRow                   stringRows     = 6;
+        repeated IntRow                      intRows        = 7;
+        repeated TimeRow                     timeRows       = 8;
+        repeated BoolRow                     boolRows       = 9;
+        repeated ButtonRow                   buttonRows     = 10;
 }
 
 message Tables {                                                  // `autogenpb:marshal`