[RyDeR`]

pawn Код:

#if !defined SendLanguageMessage
    static
        __langString[128]
    ;
    #define SendLanguageMessage(%0,%1,%2,%3,%4,%5) \
        format(__langString, sizeof(__langString), (%2) ? (%3) : (%4), %5), SendClientMessage((%0), (%1), __langString)
    
    #pragma unused __langString
#endif

Then just create a global variable (or PVar) where you assign the language. (0 for English, 1 for your language).

pawn Код:

SendLanguageMessage(playerid, color, IndexLanguageVar, "Hello there %s", "Hola %s", GetName(playerid));