From 347675b8aea8639ac35242da88230978d000ab4f Mon Sep 17 00:00:00 2001
From: Walery Strauch <walery@users.noreply.github.com>
Date: Wed, 3 Feb 2021 13:57:09 +0100
Subject: [PATCH 1/2] Add Sub function example to Pseudo Parameters doc.

Update documentation for change added in serverless/serverless#8279
---
 docs/providers/aws/guide/variables.md | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/docs/providers/aws/guide/variables.md b/docs/providers/aws/guide/variables.md
index 2377eae6896..0f1eca64a9a 100644
--- a/docs/providers/aws/guide/variables.md
+++ b/docs/providers/aws/guide/variables.md
@@ -675,6 +675,15 @@ Resources:
         - 'log-group:/aws/lambda/*:*:*'
 ```
 
+You can also directly use the [Sub] function:
+
+```yml
+Resources:
+  - !Sub arn:aws:logs:${AWS::Region}:${AWS::AccountId}:log-group:/aws/lambda/*:*:*'
+```
+
+[sub]: https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/intrinsic-function-reference-sub.html
+
 ## Read String Variable Values as Boolean Values
 
 In some cases, a parameter expect a `true` or `false` boolean value. If you are using a variable to define the value, it may return as a string (e.g. when using SSM variables) and thus return a `"true"` or `"false"` string value.

From c3ff60dfb666b27bcb248518d3f29cd46b18ad20 Mon Sep 17 00:00:00 2001
From: Walery Strauch <walery@2iqresearch.com>
Date: Thu, 4 Feb 2021 14:19:38 +0100
Subject: [PATCH 2/2] Enhance Pseudo Parameters examples in aws doc.

The examples are now valid part of serverless.
See serverless/serverless#8885 discussion.
---
 docs/providers/aws/guide/variables.md | 25 ++++++++++++++++---------
 1 file changed, 16 insertions(+), 9 deletions(-)

diff --git a/docs/providers/aws/guide/variables.md b/docs/providers/aws/guide/variables.md
index 0f1eca64a9a..532fa6a3ccf 100644
--- a/docs/providers/aws/guide/variables.md
+++ b/docs/providers/aws/guide/variables.md
@@ -666,20 +666,27 @@ You can reference [AWS Pseudo Parameters](http://docs.aws.amazon.com/AWSCloudFor
 Here's an example:
 
 ```yml
-Resources:
-  - 'Fn::Join':
-      - ':'
-      - - 'arn:aws:logs'
-        - Ref: 'AWS::Region'
-        - Ref: 'AWS::AccountId'
-        - 'log-group:/aws/lambda/*:*:*'
+functions:
+  hello:
+    handler: my-function.handler
+    environment:
+      var:
+        Fn::Join:
+          - ':'
+          - - 'arn:aws:logs'
+            - Ref: 'AWS::Region'
+            - Ref: 'AWS::AccountId'
+            - 'log-group:/aws/lambda/*:*:*'
 ```
 
 You can also directly use the [Sub] function:
 
 ```yml
-Resources:
-  - !Sub arn:aws:logs:${AWS::Region}:${AWS::AccountId}:log-group:/aws/lambda/*:*:*'
+functions:
+  hello:
+    handler: my-function.handler
+    environment:
+      var: !Sub arn:aws:logs:${AWS::Region}:${AWS::AccountId}:log-group:/aws/lambda/*:*:*'
 ```
 
 [sub]: https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/intrinsic-function-reference-sub.html