diff --git a/.mps/modules.xml b/.mps/modules.xml
index 5dd84287..5947504c 100644
--- a/.mps/modules.xml
+++ b/.mps/modules.xml
@@ -52,6 +52,7 @@
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diff --git a/samples/mpscore/.mps/modules.xml b/samples/mpscore/.mps/modules.xml
index a601a1f5..0db81dfe 100644
--- a/samples/mpscore/.mps/modules.xml
+++ b/samples/mpscore/.mps/modules.xml
@@ -17,6 +17,7 @@
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diff --git a/samples/mpscore/languages/jetbrains.mps.lang.patternExt/generator/templates/jetbrains.mps.lang.patternExt.generator.templates@generator.mps b/samples/mpscore/languages/jetbrains.mps.lang.patternExt/generator/templates/jetbrains.mps.lang.patternExt.generator.templates@generator.mps
new file mode 100644
index 00000000..54b24a30
--- /dev/null
+++ b/samples/mpscore/languages/jetbrains.mps.lang.patternExt/generator/templates/jetbrains.mps.lang.patternExt.generator.templates@generator.mps
@@ -0,0 +1,24 @@
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diff --git a/samples/mpscore/languages/jetbrains.mps.lang.patternExt/jetbrains.mps.lang.patternExt.mpl b/samples/mpscore/languages/jetbrains.mps.lang.patternExt/jetbrains.mps.lang.patternExt.mpl
new file mode 100644
index 00000000..ce08ffbe
--- /dev/null
+++ b/samples/mpscore/languages/jetbrains.mps.lang.patternExt/jetbrains.mps.lang.patternExt.mpl
@@ -0,0 +1,151 @@
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+ 65e59b42-e7f3-45ec-8692-6c7829780afe(jetbrains.mps.lang.smodelExt)
+ 88dcbb14-19c3-4776-8f81-33611ca4d87c(jetbrains.mps.baseLanguage.sequence)
+ f3061a53-9226-4cc5-a443-f952ceaf5816(jetbrains.mps.baseLanguage)
+ 3a13115c-633c-4c5c-bbcc-75c4219e9555(jetbrains.mps.lang.quotation)
+ c72da2b9-7cce-4447-8389-f407dc1158b7(jetbrains.mps.lang.structure)
+ 8865b7a8-5271-43d3-884c-6fd1d9cfdd34(MPS.OpenAPI)
+ 6354ebe7-c22a-4a0f-ac54-50b52ab9b065(JDK)
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+ 0fda14cc-a416-4c81-869a-2175d8b3325d(jetbrains.mps.baseLanguageExt)
+ d4615e3b-d671-4ba9-af01-2b78369b0ba7(jetbrains.mps.lang.pattern)
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diff --git a/samples/mpscore/languages/jetbrains.mps.lang.patternExt/models/jetbrains.mps.lang.patternExt.behavior.mps b/samples/mpscore/languages/jetbrains.mps.lang.patternExt/models/jetbrains.mps.lang.patternExt.behavior.mps
new file mode 100644
index 00000000..5f986fe0
--- /dev/null
+++ b/samples/mpscore/languages/jetbrains.mps.lang.patternExt/models/jetbrains.mps.lang.patternExt.behavior.mps
@@ -0,0 +1,12 @@
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diff --git a/samples/mpscore/languages/jetbrains.mps.lang.patternExt/models/jetbrains.mps.lang.patternExt.constraints.mps b/samples/mpscore/languages/jetbrains.mps.lang.patternExt/models/jetbrains.mps.lang.patternExt.constraints.mps
new file mode 100644
index 00000000..a2b37f1b
--- /dev/null
+++ b/samples/mpscore/languages/jetbrains.mps.lang.patternExt/models/jetbrains.mps.lang.patternExt.constraints.mps
@@ -0,0 +1,19 @@
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diff --git a/samples/mpscore/languages/jetbrains.mps.lang.patternExt/models/jetbrains.mps.lang.patternExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.lang.patternExt/models/jetbrains.mps.lang.patternExt.editor.mps
new file mode 100644
index 00000000..01d59065
--- /dev/null
+++ b/samples/mpscore/languages/jetbrains.mps.lang.patternExt/models/jetbrains.mps.lang.patternExt.editor.mps
@@ -0,0 +1,12 @@
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diff --git a/samples/mpscore/languages/jetbrains.mps.lang.patternExt/models/jetbrains.mps.lang.patternExt.structure.mps b/samples/mpscore/languages/jetbrains.mps.lang.patternExt/models/jetbrains.mps.lang.patternExt.structure.mps
new file mode 100644
index 00000000..459a2d96
--- /dev/null
+++ b/samples/mpscore/languages/jetbrains.mps.lang.patternExt/models/jetbrains.mps.lang.patternExt.structure.mps
@@ -0,0 +1,11 @@
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diff --git a/samples/mpscore/languages/jetbrains.mps.lang.patternExt/models/jetbrains.mps.lang.patternExt.types.mps b/samples/mpscore/languages/jetbrains.mps.lang.patternExt/models/jetbrains.mps.lang.patternExt.types.mps
new file mode 100644
index 00000000..d42ef3e9
--- /dev/null
+++ b/samples/mpscore/languages/jetbrains.mps.lang.patternExt/models/jetbrains.mps.lang.patternExt.types.mps
@@ -0,0 +1,1346 @@
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