diff --git a/examples/example-bukkit/src/main/java/cloud/commandframework/examples/bukkit/annotations/AnnotationParserExample.java b/examples/example-bukkit/src/main/java/cloud/commandframework/examples/bukkit/annotations/AnnotationParserExample.java
index 2153698b..cf7ee5e8 100644
--- a/examples/example-bukkit/src/main/java/cloud/commandframework/examples/bukkit/annotations/AnnotationParserExample.java
+++ b/examples/example-bukkit/src/main/java/cloud/commandframework/examples/bukkit/annotations/AnnotationParserExample.java
@@ -28,6 +28,7 @@
 import cloud.commandframework.examples.bukkit.ExamplePlugin;
 import cloud.commandframework.examples.bukkit.annotations.feature.BuilderModifierExample;
 import cloud.commandframework.examples.bukkit.annotations.feature.CommandContainerExample;
+import cloud.commandframework.examples.bukkit.annotations.feature.EitherExample;
 import cloud.commandframework.examples.bukkit.annotations.feature.EnumExample;
 import cloud.commandframework.examples.bukkit.annotations.feature.FlagExample;
 import cloud.commandframework.examples.bukkit.annotations.feature.HelpExample;
@@ -53,6 +54,7 @@ public final class AnnotationParserExample {
     private static final List<AnnotationFeature> FEATURES = Arrays.asList(
             new BuilderModifierExample(),
             new CommandContainerExample(),
+            new EitherExample(),
             new EnumExample(),
             new FlagExample(),
             new HelpExample(),
diff --git a/examples/example-bukkit/src/main/java/cloud/commandframework/examples/bukkit/annotations/feature/EitherExample.java b/examples/example-bukkit/src/main/java/cloud/commandframework/examples/bukkit/annotations/feature/EitherExample.java
new file mode 100644
index 00000000..53fb2ce3
--- /dev/null
+++ b/examples/example-bukkit/src/main/java/cloud/commandframework/examples/bukkit/annotations/feature/EitherExample.java
@@ -0,0 +1,37 @@
+package cloud.commandframework.examples.bukkit.annotations.feature;
+
+import cloud.commandframework.annotations.AnnotationParser;
+import cloud.commandframework.annotations.Command;
+import cloud.commandframework.examples.bukkit.ExamplePlugin;
+import cloud.commandframework.examples.bukkit.annotations.AnnotationFeature;
+import cloud.commandframework.types.Either;
+import net.kyori.adventure.platform.bukkit.BukkitAudiences;
+import net.kyori.adventure.text.format.NamedTextColor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.checkerframework.checker.nullness.qual.NonNull;
+
+import java.util.UUID;
+
+import static net.kyori.adventure.text.Component.text;
+
+/**
+ * Example of a command accepting {@link Either}.
+ */
+public final class EitherExample implements AnnotationFeature {
+
+    private BukkitAudiences bukkitAudiences;
+
+    @Override
+    public void registerFeature(final @NonNull ExamplePlugin examplePlugin, final @NonNull AnnotationParser<CommandSender> annotationParser) {
+        this.bukkitAudiences = examplePlugin.bukkitAudiences();
+        annotationParser.parse(this);
+    }
+
+    @Command("annotations either <uuid>")
+    public void eitherCommand(final @NonNull CommandSender sender, final @NonNull Either<UUID, Player> uuid) {
+        final UUID resolvedUuid = uuid.primary().orElseGet(() -> uuid.fallback().map(Player::getUniqueId).get());
+        this.bukkitAudiences.sender(sender)
+            .sendMessage(text("The UUID is: ", NamedTextColor.DARK_GREEN).append(text(resolvedUuid.toString(), NamedTextColor.GREEN)));
+    }
+}
diff --git a/examples/example-bukkit/src/main/java/cloud/commandframework/examples/bukkit/builder/BuilderExample.java b/examples/example-bukkit/src/main/java/cloud/commandframework/examples/bukkit/builder/BuilderExample.java
index 24028f84..3bca3476 100644
--- a/examples/example-bukkit/src/main/java/cloud/commandframework/examples/bukkit/builder/BuilderExample.java
+++ b/examples/example-bukkit/src/main/java/cloud/commandframework/examples/bukkit/builder/BuilderExample.java
@@ -31,6 +31,7 @@
 import cloud.commandframework.examples.bukkit.builder.feature.AggregateCommandExample;
 import cloud.commandframework.examples.bukkit.builder.feature.CommandBeanExample;
 import cloud.commandframework.examples.bukkit.builder.feature.CompoundArgumentExample;
+import cloud.commandframework.examples.bukkit.builder.feature.EitherExample;
 import cloud.commandframework.examples.bukkit.builder.feature.EnumExample;
 import cloud.commandframework.examples.bukkit.builder.feature.FlagExample;
 import cloud.commandframework.examples.bukkit.builder.feature.HelpExample;
@@ -59,6 +60,7 @@ public final class BuilderExample {
             new AggregateCommandExample(),
             new CommandBeanExample(),
             new CompoundArgumentExample(),
+            new EitherExample(),
             new EnumExample(),
             new FlagExample(),
             new HelpExample(),
diff --git a/examples/example-bukkit/src/main/java/cloud/commandframework/examples/bukkit/builder/feature/EitherExample.java b/examples/example-bukkit/src/main/java/cloud/commandframework/examples/bukkit/builder/feature/EitherExample.java
new file mode 100644
index 00000000..8dd43552
--- /dev/null
+++ b/examples/example-bukkit/src/main/java/cloud/commandframework/examples/bukkit/builder/feature/EitherExample.java
@@ -0,0 +1,46 @@
+package cloud.commandframework.examples.bukkit.builder.feature;
+
+import cloud.commandframework.arguments.parser.ArgumentParser;
+import cloud.commandframework.arguments.standard.UUIDParser;
+import cloud.commandframework.bukkit.BukkitCommandManager;
+import cloud.commandframework.bukkit.parser.PlayerParser;
+import cloud.commandframework.examples.bukkit.ExamplePlugin;
+import cloud.commandframework.examples.bukkit.builder.BuilderFeature;
+import cloud.commandframework.keys.CloudKey;
+import cloud.commandframework.types.Either;
+import io.leangen.geantyref.TypeToken;
+import net.kyori.adventure.text.format.NamedTextColor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.checkerframework.checker.nullness.qual.NonNull;
+
+import java.util.UUID;
+
+import static net.kyori.adventure.text.Component.text;
+
+/**
+ * Example of a command accepting {@link Either}.
+ */
+public final class EitherExample implements BuilderFeature {
+
+    private static final CloudKey<Either<UUID, Player>> EITHER_KEY = CloudKey.of(
+        "uuid",
+        new TypeToken<Either<UUID, Player>>() {}
+    );
+
+    @Override
+    public void registerFeature(final @NonNull ExamplePlugin examplePlugin, final @NonNull BukkitCommandManager<CommandSender> manager) {
+        manager.command(
+            manager.commandBuilder("builder")
+                .literal("either")
+                .required(EITHER_KEY, ArgumentParser.firstOf(UUIDParser.uuidParser(), PlayerParser.playerParser()))
+                .handler(context -> {
+                    final Either<UUID, Player> either = context.get(EITHER_KEY);
+                    final UUID uuid = either.primary().orElseGet(() -> either.fallback().map(Player::getUniqueId).get());
+                    examplePlugin.bukkitAudiences()
+                        .sender(context.sender())
+                        .sendMessage(text("The UUID is: ", NamedTextColor.DARK_GREEN).append(text(uuid.toString(), NamedTextColor.GREEN)));
+                })
+        );
+    }
+}