diff --git a/readme.md b/readme.md
index 72464df..e6c0637 100644
--- a/readme.md
+++ b/readme.md
@@ -16,3 +16,19 @@ composer require nette/command-line
 It requires PHP version 8.1 and supports PHP up to 8.3.
 
 If you like Nette, **[please make a donation now](https://nette.org/donate)**. Thank you!
+
+Usage
+-----
+
+```
+	-o                 Short option
+	--long             Long option
+	-o | --long        Combined short & long
+	-o value           With argument
+	-o <value>         With argument (alternative syntax)
+	-o=value           With argument (alternative syntax)
+	-o value           With default value (default: php)
+	-o value...        Repeatable option
+	-o <alt1|alt2>     Enumerated required value
+	-o [alt1|alt2]     Enumerated optional value
+```
diff --git a/src/CommandLine/Parser.php b/src/CommandLine/Parser.php
index 27aa168..be0d7cc 100644
--- a/src/CommandLine/Parser.php
+++ b/src/CommandLine/Parser.php
@@ -55,6 +55,23 @@ class Parser
 	private string $help;
 
 
+	/*
+	Options:
+		-p           Short option
+		--long       Long option
+		-p | --long  Combined short & long
+
+		-p           With default value (default: php)
+
+		-p=<info>
+		-p <info>
+		-p info
+		-p info...
+		-p <option1|option2>   Repeatable
+		-p [option1|option2]   Enum
+	*/
+
+
 	public function __construct(string $help, array $defaults = [])
 	{
 		$this->help = $help;
@@ -89,6 +106,73 @@ public function __construct(string $help, array $defaults = [])
 	}
 
 
+	public function addArgument(string $name, array $options): static
+	{
+		$this->positional[] = $name;
+		$this->options[$name] = [
+			self::Argument => null,
+			self::Optional => $options[self::Optional] ?? null,
+			self::Repeatable => $options[self::Repeatable] ?? null,
+			self::Enum => null,
+			self::Default => $options[self::Default] ?? null,
+		];
+	}
+
+
+	/**
+	 * @param  string|string[]  $name
+	 */
+	public function addOption($name): static
+	{
+		$this->options[$name] = [
+			self::Argument => false,
+			self::Optional => false, // ?
+			self::Repeatable => false,
+			self::Enum => null,
+			self::Default => null,
+		];
+	}
+
+
+	/**
+	 * @param  string|string[]  $name
+	 */
+	public function addValueOption($name, array $options): static
+	{
+		foreach ((array) $name as $name) {
+			$this->options[$name] = [
+				self::Argument => true,
+				self::Optional => false, // ?
+				self::Repeatable => false,
+				self::Enum => null,
+				self::Default => null,
+			];
+		}
+	}
+
+
+	/**
+	 * @param  string|string[]  $name
+	 */
+	public function addEnumeratedOption($name, array $elements, array $options): static
+	{
+		foreach ((array) $name as $name) {
+			$this->options[$name] = [
+				self::Argument => true,
+				self::Optional => false, // ?
+				self::Repeatable => false,
+				self::Enum => null,
+				self::Default => null,
+			];
+		}
+	}
+
+
+	public static function fromHelp(string $help): static
+	{
+	}
+
+
 	public function parse(?array $args = null): array
 	{
 		if ($args === null) {
@@ -181,6 +265,7 @@ public function parse(?array $args = null): array
 
 	public function help(): void
 	{
+		// TODO: generate help?
 		echo $this->help;
 	}