SDK binary support for executions

docs/examples/java/functions/get-execution.md

@@ -4,13 +4,13 @@ import io.appwrite.services.Functions;
 
 Client client = new Client(context)
     .setEndpoint("https://cloud.appwrite.io/v1") // Your API Endpoint
-    .setProject("5df5acd0d48c2"); // Your project ID
+    .setProject("<YOUR_PROJECT_ID>"); // Your project ID
 
 Functions functions = new Functions(client);
 
 functions.getExecution(
-    "<FUNCTION_ID>", // functionId 
-    "<EXECUTION_ID>", // executionId 
+    "{$example}", // functionId 
+    "{$example}", // executionId 
     new CoroutineCallback<>((result, error) -> {
         if (error != null) {
             error.printStackTrace();