diff --git a/languages/powershell/outline.scm b/languages/powershell/outline.scm
new file mode 100644
index 0000000..e87d380
--- /dev/null
+++ b/languages/powershell/outline.scm
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+; Functions (including filter and workflow keywords)
+(function_statement
+  [
+    "function"
+    "filter"
+    "workflow"
+  ] @context
+  (function_name) @name) @item
+
+; Classes
+(class_statement
+  "class" @context
+  (simple_name) @name) @item
+
+; Class methods
+(class_method_definition
+  (simple_name) @name) @item
+
+; Class properties
+(class_property_definition
+  (variable) @name) @item
+
+; Enums
+(enum_statement
+  "enum" @context
+  (simple_name) @name) @item
+
+; Enum members
+(enum_member
+  (simple_name) @name) @item
+
+; Named blocks (begin, process, end, dynamicparam)
+(named_block
+  (block_name) @name) @item