flipperzero-firmware/applications/examples/example_plugins_advanced/plugin_interface.h

/**
 * @file plugin_interface.h
 * @brief Example plugin interface.
 *
 * Common interface between a plugin and host application
 */
#pragma once

#define PLUGIN_APP_ID      "example_plugins_advanced"
#define PLUGIN_API_VERSION 1

typedef struct {
    const char* name;
    void (*method1)(int);
    void (*method2)(void);
} AdvancedPlugin;