DOC-2570: Add LicenseKey property to Blazor Tech Ref (#3510)

* DOC-2570: Add LicenseKey property to Blazor Tech Ref

* Change CloudChannel to {productmajorversion}

Author: Farzad Hayat

modules/ROOT/partials/integrations/blazor-tech-ref.adoc

@@ -8,18 +8,19 @@ Covered in this section:
 
 The `+TinyMCE.Blazor+` `+Editor+` component accepts the following properties:
 
-[source,cs]
+[source,cs,subs="attributes+"]
 ----
 <Editor
   Id="uuid"
   Inline=false
-  CloudChannel="5"
+  CloudChannel="{productmajorversion}"
   Value=""
   Disable=false
   JsConfSrc="path_to_jsObj"
   Conf="@yourConf"
-  ScriptSrc="/path/to/tinymce.min.js"
   ApiKey="your-api-key"
+  LicenseKey="your-license-key"
+  ScriptSrc="/path/to/tinymce.min.js"
   ClassName="tinymce-wrapper"
 />
 ----
@@ -167,6 +168,21 @@ In your component:
 />
 ----
 
+=== `LicenseKey`
+
+Specifies the {productname} license key. Required for self-hosted deployments of {productname}. This property is not required for deployments using the {cloudname}. For more information on licensing, see: xref:license-key.adoc[License key].
+
+*Type:* `+String+`
+
+==== Example using LicenseKey
+
+[source,cs]
+----
+<Editor
+  LicenseKey="your-license-key"
+/>
+----
+
 === `ScriptSrc`
 
 Use the `+ScriptSrc+` property to specify the location of {productname} to lazy load when the application is not using {cloudname}. This setting is required if the application uses a self-hosted version of {productname}, such as the https://www.nuget.org/packages/TinyMCE/[{productname} NuGet package] or a .zip package of {productname}.