how can i get custom resolved values - actions-on-google

Question

the training phrases contain college subject domain/major like computer science engineering, mechanical engineering, information technology..... etc. i want the resolved values to be
CS for computer science
IT for information technology
Me for mechanical engineering
I am trying to figure this out for an hour ... guide me please.
tried creating a custom entity
//no code

Answer 1

If you are using the Actions on Google Node.js client library with a Dialogflow webhook, you can call a Javascript function at the start of your intent's fulfillment to disambiguate the user's input from predefined arrays of different terms for the same subject.
Try something like:
let subject = "mechanical engineering"
function disambiguate(term){
let CS = ["CS", "cs", "computer science", "comp sci"]
let ME = ["ME", "me", "mechanical engineering", "mech eng"]
let IT = ["IT", "it", "information technology"]
for(let i = 0; i < CS.length; i++){
if (term == CS[i]){
return CS;
}
}
for(let i = 0; i < ME.length; i++){
if (term == ME[i]){
return ME;
}
}
for(let i = 0; i < IT.length; i++){
if (term == IT[i]){
return IT;
}
}
}
console.log(disambiguate(subject)[0])
You can edit or run the above code on Repl.
If you don't want to do this programmatically, you can add synonyms to a custom entity in the Dialogflow console: