added comment

Author: Sita04

iam/api-client/src/main/java/iam/snippets/CreateServiceAccountKey.java

@@ -45,6 +45,9 @@ public static String createKey(String projectId, String serviceAccountName) {
       return null;
     }
 
+    // Construct the service account email.
+    // You can modify the ".iam.gserviceaccount.com" to match the service account name in which
+    // you want to create the key.
     String serviceAccountEmail = serviceAccountName + "@" + projectId + ".iam.gserviceaccount.com";
     try {
       ServiceAccountKey key =

iam/api-client/src/main/java/iam/snippets/DeleteServiceAccountKey.java

@@ -44,6 +44,9 @@ public static void deleteKey(String projectId, String serviceAccountName,
       return;
     }
 
+    // Construct the service account email.
+    // You can modify the ".iam.gserviceaccount.com" to match the service account name in which
+    // you want to delete the key.
     String serviceAccountEmail = serviceAccountName + "@" + projectId + ".iam.gserviceaccount.com";
     try {
       String keyToDelete = String.format("projects/-/serviceAccounts/%s/keys/%s",

iam/api-client/src/main/java/iam/snippets/DisableServiceAccountKey.java

@@ -52,6 +52,9 @@ public static void disableServiceAccountKey(String projectId, String serviceAcco
       return;
     }
 
+    // Construct the service account email.
+    // You can modify the ".iam.gserviceaccount.com" to match the service account name in which
+    // you want to disable the key.
     String serviceAccountEmail = serviceAccountName + "@" + projectId + ".iam.gserviceaccount.com";
 
     try {

iam/api-client/src/main/java/iam/snippets/EnableServiceAccountKey.java

@@ -52,6 +52,9 @@ public static void enableServiceAccountKey(String projectId, String serviceAccou
       return;
     }
 
+    // Construct the service account email.
+    // You can modify the ".iam.gserviceaccount.com" to match the service account name in which
+    // you want to enable the key.
     String serviceAccountEmail = serviceAccountName + "@" + projectId + ".iam.gserviceaccount.com";
 
     try {