Add a claim to JWT as an array?

Question

Using thinktecture JWT authentication resource owner flow,i use the claims part of JWT for client consumption. My question is that if its possible to add claim in identity s

Answer 1

Identity Server will convert the value from an array to string if you want to add a single value to an array. An easier solution would be to convert the array as json and add to the claim with valueType as json.

IList companies = new List();
companies.Add("CompanyA");
string companiesJson = JsonConvert.SerializeObject(companies);
context.IssuedClaims.Add(new Claim("Companies", companiesJson, IdentityServerConstants.ClaimValueTypes.Json));

The above solution will allow you to add one or more values to claim as an array.