diff --git a/libraries/stdlib/stdlib_defs.mtlx b/libraries/stdlib/stdlib_defs.mtlx
index 000344868c..4564df9c6c 100644
--- a/libraries/stdlib/stdlib_defs.mtlx
+++ b/libraries/stdlib/stdlib_defs.mtlx
@@ -973,6 +973,57 @@
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diff --git a/libraries/stdlib/stdlib_ng.mtlx b/libraries/stdlib/stdlib_ng.mtlx
index 8ba5f070e7..dbb976c873 100644
--- a/libraries/stdlib/stdlib_ng.mtlx
+++ b/libraries/stdlib/stdlib_ng.mtlx
@@ -1026,6 +1026,161 @@
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