add description/category for secret function

Author: SteveL-MSFT

dsc_lib/locales/en-us.toml

@@ -299,6 +299,7 @@ incorrectNameFormat = "Name argument cannot contain a slash"
 invalidSecondArgType = "Invalid argument type for second parameter"
 
 [functions.secret]
+description = "Retrieves a secret from a vault"
 notString = "Parameter secret name is not a string"
 multipleSecrets = "Multiple secrets with the same name '%{name}' and different values was returned, try specifying a vault"
 extensionReturnedError = "Extension '%{extension}': %{error}"

dsc_lib/src/functions/secret.rs

@@ -18,6 +18,14 @@ impl Function for Secret {
         vec![AcceptedArgKind::String]
     }
 
+    fn description(&self) -> String {
+        t!("functions.secret.description").to_string()
+    }
+
+    fn category(&self) -> super::FunctionCategory {
+        super::FunctionCategory::System
+    }
+
     fn min_args(&self) -> usize {
         1
     }