docs: Updating README

Author: StartAutomating

Gradient.types.ps1xml

@@ -27,7 +27,32 @@
     Stringifies the gradient
 .DESCRIPTION
     Gets the gradient as a string.  By default, returns the CSS gradient.
+
+    If any arguments are passed and are properties of this object,
+    they will be returned as strings.
+.EXAMPLE
+    "$(gradient '#4488ff' '#224488')"
+.EXAMPLE
+    (gradient '#4488ff' '#224488').ToString("html")
 #>
+param()
+
+if ($args) {
+    $anymatching = @(foreach ($arg in $args) {
+        $thisArg = $this.$arg
+        if ($thisArg) {
+            if ($thisArg -is [xml]) {
+                $thisArg.Outerxml
+            } else {
+                $thisArg
+            }
+        }
+    })
+    if ($anymatching) {
+        return ($anymatching -as 'string[]' -join [Environment]::NewLine)
+    }
+}
+
 return "$($this.CSS)"
                     </Script>
       </ScriptMethod>