config.proto

encoding "utf-8";

TTextMinerConfig {
    Dictionary  =   "to.gzt";
    Articles    =   [ { Name = "Target_Grammar" } ];
    Facts       =   [ { Name = "FTarget" } ];
}

facts.proto

message FTarget : NFactType.TFact {
    optional string Value    = 1;
}

grammar.cxx

#encoding "utf-8"
#GRAMMAR_ROOT S

S       -> Target;
Target  ->  Word<kwtype='target'> interp (FTarget.Value);

to.gzt

encoding "utf-8";

TAuxDicArticle "Target_Grammar" {
    key = { "tomita:grammar.cxx" type = CUSTOM }
}

TAuxDicArticle "target" {
    key = "один"
        | "два"
        | "три"
}