rtyley
diff --git a/‎dist/setup/index.js‎
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diff --git a/‎docs/advanced-usage.md‎
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diff --git a/‎src/distributions/microsoft/installer.ts‎
Lines changed: 4 additions & 0 deletions b/‎src/distributions/microsoft/installer.ts‎
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@@ -13889,6 +13889,9 @@ class MicrosoftDistributions extends base_installer_1.JavaBase {
             if (!this.stable) {
                 throw new Error('Early access versions are not supported');
             }
+            if (this.packageType !== 'jdk') {
+                throw new Error('Microsoft Build of OpenJDK provides only the `jdk` package type');
+            }
             const availableVersionsRaw = yield this.getAvailableVersions();
             const opts = this.getPlatformOption();
             const availableVersions = availableVersionsRaw.map(item => ({
 
@@ -65,6 +65,17 @@ steps:
 - run: java -cp java HelloWorldApp
 ```
 
+### Microsoft
+```yaml
+steps:
+- uses: actions/checkout@v2
+- uses: actions/setup-java@v2
+  with:
+    distribution: 'microsoft'
+    java-version: '11'
+- run: java -cp java HelloWorldApp
+```
+
 ## Installing custom Java package type
 ```yaml
 steps:
 
@@ -45,6 +45,10 @@ export class MicrosoftDistributions extends JavaBase {
       throw new Error('Early access versions are not supported');
     }
 
+    if (this.packageType !== 'jdk') {
+      throw new Error('Microsoft Build of OpenJDK provides only the `jdk` package type');
+    }
+
     const availableVersionsRaw = await this.getAvailableVersions();
 
     const opts = this.getPlatformOption();
Original file line number	Diff line number	Diff line change
@@ -45,6 +45,10 @@ export class MicrosoftDistributions extends JavaBase {
45	45	throw new Error('Early access versions are not supported');
46	46	}
47	47
	48	+ if (this.packageType !== 'jdk') {
	49	+ throw new Error('Microsoft Build of OpenJDK provides only the `jdk` package type');
	50	+ }
	51	+
48	52	const availableVersionsRaw = await this.getAvailableVersions();
49	53
50	54	const opts = this.getPlatformOption();