diff --git a/src/guides/v2.3/ext-best-practices/tutorials/copy-fieldsets.md b/src/guides/v2.3/ext-best-practices/tutorials/copy-fieldsets.md
index 1254a188afe..fe843e78823 100644
--- a/src/guides/v2.3/ext-best-practices/tutorials/copy-fieldsets.md
+++ b/src/guides/v2.3/ext-best-practices/tutorials/copy-fieldsets.md
@@ -36,6 +36,8 @@ The code snippet in the next step uses the name of the fieldset and aspect to sp
**etc/fieldset.xml:**
+The following example shows how to copy `sales_convert_quote`.`demo` to `sales_order`.`demo`.
+
```xml
@@ -49,6 +51,42 @@ The code snippet in the next step uses the name of the fieldset and aspect to sp
```
+Use the `targetField` attribute to specify the destination field. The following example shows how to copy `sales_convert_quote`.`demo` to `sales_order`.`order_demo`.
+
+```xml
+
+
+
+
+
+```
+
+Define a new `aspect` if you need to copy a field of a source table into multiple fields in a destination table.
+
+The following example shows how to copy `sales_convert_quote`.`demo` into
+
+- `sales_order`.`demo`
+- `sales_order`.`order_demo`
+
+```xml
+
+
+
+
+
+```
+
## Step 3: Copy the fieldset {#step-3}
For copying the fieldset, we'll observe the `sales_model_service_quote_submit_before` event by using the following code in our `etc/events.xml`:
@@ -108,7 +146,6 @@ class SaveOrderBeforeSalesModelQuoteObserver implements ObserverInterface
return $this;
}
}
-
```
In the code, an instance of the `Copy` class is obtained from the constructor using [dependency injection][2].