diff --git a/samples/mpscore/languages/jetbrains.mps.lang.extensionExt/generator/templates/jetbrains.mps.lang.extensionExt.generator.templates@generator.mps b/samples/mpscore/languages/jetbrains.mps.lang.extensionExt/generator/templates/jetbrains.mps.lang.extensionExt.generator.templates@generator.mps
new file mode 100644
index 00000000..e4958232
--- /dev/null
+++ b/samples/mpscore/languages/jetbrains.mps.lang.extensionExt/generator/templates/jetbrains.mps.lang.extensionExt.generator.templates@generator.mps
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diff --git a/samples/mpscore/languages/jetbrains.mps.lang.extensionExt/jetbrains.mps.lang.extensionExt.mpl b/samples/mpscore/languages/jetbrains.mps.lang.extensionExt/jetbrains.mps.lang.extensionExt.mpl
new file mode 100644
index 00000000..109c3542
--- /dev/null
+++ b/samples/mpscore/languages/jetbrains.mps.lang.extensionExt/jetbrains.mps.lang.extensionExt.mpl
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+ 88dcbb14-19c3-4776-8f81-33611ca4d87c(jetbrains.mps.baseLanguage.sequence)
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+ 0fda14cc-a416-4c81-869a-2175d8b3325d(jetbrains.mps.baseLanguageExt)
+ c0080a47-7e37-4558-bee9-9ae18e690549(jetbrains.mps.lang.extension)
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diff --git a/samples/mpscore/languages/jetbrains.mps.lang.extensionExt/models/jetbrains.mps.lang.extensionExt.behavior.mps b/samples/mpscore/languages/jetbrains.mps.lang.extensionExt/models/jetbrains.mps.lang.extensionExt.behavior.mps
new file mode 100644
index 00000000..a752b7c9
--- /dev/null
+++ b/samples/mpscore/languages/jetbrains.mps.lang.extensionExt/models/jetbrains.mps.lang.extensionExt.behavior.mps
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diff --git a/samples/mpscore/languages/jetbrains.mps.lang.extensionExt/models/jetbrains.mps.lang.extensionExt.constraints.mps b/samples/mpscore/languages/jetbrains.mps.lang.extensionExt/models/jetbrains.mps.lang.extensionExt.constraints.mps
new file mode 100644
index 00000000..4657428c
--- /dev/null
+++ b/samples/mpscore/languages/jetbrains.mps.lang.extensionExt/models/jetbrains.mps.lang.extensionExt.constraints.mps
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diff --git a/samples/mpscore/languages/jetbrains.mps.lang.extensionExt/models/jetbrains.mps.lang.extensionExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.lang.extensionExt/models/jetbrains.mps.lang.extensionExt.editor.mps
new file mode 100644
index 00000000..d547bc58
--- /dev/null
+++ b/samples/mpscore/languages/jetbrains.mps.lang.extensionExt/models/jetbrains.mps.lang.extensionExt.editor.mps
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diff --git a/samples/mpscore/languages/jetbrains.mps.lang.extensionExt/models/jetbrains.mps.lang.extensionExt.structure.mps b/samples/mpscore/languages/jetbrains.mps.lang.extensionExt/models/jetbrains.mps.lang.extensionExt.structure.mps
new file mode 100644
index 00000000..fed89ad0
--- /dev/null
+++ b/samples/mpscore/languages/jetbrains.mps.lang.extensionExt/models/jetbrains.mps.lang.extensionExt.structure.mps
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diff --git a/samples/mpscore/languages/jetbrains.mps.lang.extensionExt/models/jetbrains.mps.lang.extensionExt.types.mps b/samples/mpscore/languages/jetbrains.mps.lang.extensionExt/models/jetbrains.mps.lang.extensionExt.types.mps
new file mode 100644
index 00000000..d74a0280
--- /dev/null
+++ b/samples/mpscore/languages/jetbrains.mps.lang.extensionExt/models/jetbrains.mps.lang.extensionExt.types.mps
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