1: <?php
2:
3: declare(strict_types=1);
4:
5: /**
6: * This file is part of the Nexus MCP SDK package.
7: *
8: * (c) 2026 John Paul E. Balandan, CPA <paulbalandan@gmail.com>
9: *
10: * For the full copyright and license information, please view
11: * the LICENSE file that was distributed with this source code.
12: */
13:
14: namespace Nexus\Mcp\Core\Schema\Enum;
15:
16: /**
17: * The sender or recipient of messages and data in a conversation.
18: *
19: * @see https://modelcontextprotocol.io/specification/2025-11-25/schema#role
20: */
21: enum Role: string
22: {
23: /**
24: * Human author of the message.
25: */
26: case User = 'user';
27:
28: /**
29: * Model author of the message.
30: */
31: case Assistant = 'assistant';
32: }
33: