Update README

README.md

@@ -1,13 +1,26 @@
 # Get Release
 
-GitHub Action to get release
+GitHub Action to get release.
+Useful when you want to get upload_url of current release then upload additional assets by the [`@actions/upload-release-asset`](https://www.github.com/actions/upload-release-asset) GitHub Action.
 
 ## Usage
 
 See [action.yml](action.yml)
 
+# Outputs
+
+For more information on these outputs, see the [API Documentation](https://developer.github.com/v3/repos/releases/#response-4) for an example of what these outputs look like
+
+- `id`: The release ID
+- `html_url`: The URL users can navigate to in order to view the release. ex: `https://github.com/octocat/Hello-World/releases/v1.0.0`
+- `upload_url`: The URL for uploading assets to the release, which could be used by GitHub Actions for additional uses, for example the [`@actions/upload-release-asset`](https://www.github.com/actions/upload-release-asset) GitHub Action
+- `tag_name`: The git tag associated with the release. ex: `v1.1.0`
+- `prerelease`: Whether the release is a pre-release
+
 ## Get Current Release
 
+If you don't specify `tag_name` and `latest` in your inputs the action will be get release of current release if available
+
 ```yaml
 name: Upload Asset To Current Release
 on:
@@ -25,6 +38,8 @@ jobs:
       - name: Get Current Release
         id: get_current_release
         uses: joutvhu/get-release@v1
+        with:
+          debug: true
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
@@ -41,6 +56,8 @@ jobs:
 
 ## Get Release By Tag Name
 
+You can specify the exact `tag_name` of release you want to get
+
 ```yaml
 steps:
   - uses: joutvhu/get-release@v1
@@ -52,13 +69,16 @@ steps:
 
 ## Get The Latest Release
 
+Set `latest: true` to find the latest release whose tag_name matches `pattern`.
+Set `prerelease: true` to search for releases that include pre-releases.
+
 ```yaml
 steps:
   - uses: joutvhu/get-release@v1
     with:
       latest: true
       # Tag name start with `v`
-      pattern: v.*
+      pattern: '^v.*'
       # Including pre-release
       prerelease: true
     env: