1 files changed, 12 insertions, 1 deletions
diff --git a/nixos/modules/services/development/jupyter/kernel-options.nix b/nixos/modules/services/development/jupyter/kernel-options.nix
index 42af47aeb3c8..6e406152de47 100644
--- a/nixos/modules/services/development/jupyter/kernel-options.nix
+++ b/nixos/modules/services/development/jupyter/kernel-options.nix
@@ -1,9 +1,11 @@
 # Options that can be used for creating a jupyter kernel.
-{lib }:
+{ lib, pkgs }:
 
 with lib;
 
 {
+  freeformType = (pkgs.formats.json { }).type;
+
   options = {
 
     displayName = mkOption {
@@ -40,6 +42,15 @@ with lib;
       '';
     };
 
+    env = mkOption {
+      type = types.attrsOf types.str;
+      default = { };
+      example = { OMP_NUM_THREADS = "1"; };
+      description = lib.mdDoc ''
+        Environment variables to set for the kernel.
+      '';
+    };
+
     logo32 = mkOption {
       type = types.nullOr types.path;
       default = null;