diff --git a/workflows/auto_command/action/finish/_setting_.json b/workflows/auto_command/action/finish/_setting_.json
new file mode 100644
index 0000000..cd71dcf
--- /dev/null
+++ b/workflows/auto_command/action/finish/_setting_.json
@@ -0,0 +1,14 @@
+{
+	"name": "finish_task",
+	"description": "Flag task as finished",
+	"type": [
+		"task"
+	],
+	"args": [
+	],
+	"action": "finish_task",
+	"handler": [
+		"echo",
+		"Task finished"
+	]
+}
\ No newline at end of file
diff --git a/workflows/auto_command/action/new_document/_setting_.json b/workflows/auto_command/action/new_document/_setting_.json
index 444af33..2e566c3 100644
--- a/workflows/auto_command/action/new_document/_setting_.json
+++ b/workflows/auto_command/action/new_document/_setting_.json
@@ -1,6 +1,6 @@
 {
 	"name": "new_file",
-	"description": "create new file or replace file with specified content",
+	"description": "create new file or replace file with new content",
 	"type": [
 		"*"
 	],
diff --git a/workflows/auto_command/action/run_shell_file/_setting_.json b/workflows/auto_command/action/run_shell_file/_setting_.json
index ebb8e64..a91c0d5 100644
--- a/workflows/auto_command/action/run_shell_file/_setting_.json
+++ b/workflows/auto_command/action/run_shell_file/_setting_.json
@@ -1,12 +1,12 @@
 {
 	"name": "run_shell_file",
-	"description": "run shell script",
+	"description": "run shell script file",
 	"type": [
 		"shell"
 	],
 	"args": [
 		{
-			"name": "script",
+			"name": "script_file",
 			"description": "shell script file to run",
 			"type": "string",
 			"as": "file",
@@ -16,6 +16,6 @@
 	"action": "run_shell",
 	"handler": [
 		"bash",
-		"${script}"
+		"${script_file}"
 	]
 }
\ No newline at end of file
diff --git a/workflows/extension_demo/action/get_project_tree/_setting_.json b/workflows/extension_demo/action/get_project_tree/_setting_.json
new file mode 100644
index 0000000..9b833ca
--- /dev/null
+++ b/workflows/extension_demo/action/get_project_tree/_setting_.json
@@ -0,0 +1,9 @@
+{
+	"name": "get_project_tree",
+	"description": "Get project file list",
+	"type": ["project"],
+	"action": "get_project_tree",
+	"args": [
+	],
+	"handler": ["git", "ls-files"]
+}
\ No newline at end of file
diff --git a/workflows/extension_demo/action/load_file/_setting_.json b/workflows/extension_demo/action/load_file/_setting_.json
new file mode 100644
index 0000000..4ad0a3e
--- /dev/null
+++ b/workflows/extension_demo/action/load_file/_setting_.json
@@ -0,0 +1,15 @@
+{
+	"name": "load_file",
+	"description": "Load file content",
+	"type": ["file"],
+	"action": "load_file",
+	"args": [
+		{
+			"name": "fileName",
+			"description": "Specify the file, which content will be loaded",
+			"type": "string",
+			"from": "content.content.fileName"
+		}
+	],
+	"handler": ["cat", "${fileName}"]
+}
\ No newline at end of file