Code:
/**
* Adds an menu to a menu.
*
* @param menu Menu resource identifier.
* @param name Item text to display.
* @param info Item info string for internal information.
* @param paccess Access required by the player viewing the menu.
* @param callback If set to a valid ID from menu_makecallback(), the
* callback will be invoked before drawing the item.
* @noreturn
* @error Invalid menu resource.
*/
native menu_additem(menu, const name[], const info[]="", paccess=0, callback=-1);
menu_additem(menu, "500 Hp", "Some info", ADMIN_LEVEL_A)
Or if you use some api, refer to its documentation.
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