1 files changed, 11 insertions, 1 deletions
diff --git a/src/msg.fbs b/src/msg.fbs
index 0bbc18b1d..d7e71ab14 100644
--- a/src/msg.fbs
+++ b/src/msg.fbs
@@ -61,7 +61,9 @@ union Any {
   RunStatus,
   RunStatusRes,
   Now,
-  NowRes
+  NowRes,
+  IsTTY,
+  IsTTYRes
 }
 
 enum ErrorKind: byte {
@@ -483,4 +485,12 @@ table NowRes {
   time: uint64;
 }
 
+table IsTTY {}
+
+table IsTTYRes {
+  stdin: bool;
+  stdout: bool;
+  stderr: bool;
+}
+
 root_type Base;