auth0_rule_token.js

function (user, context, callback) {
  // Hardcoded constants
  var ledgerId = 'daml-auth0-example-ledger';
  var applicationId = 'daml-auth0-example';
  
  // Read the DAML party identifier from the app metadata
  var actAs = [];
  if (user.app_metadata && user.app_metadata.daml_ledger_api) {
    actAs = [user.app_metadata.daml_ledger_api.partyIdentifier];
  }
  
  // Add ledger API claims to the token
  var namespace = 'https://daml.com/ledger-api';
  context.accessToken[namespace] = {
    "ledgerId": ledgerId,
    "applicationId": applicationId,
    "actAs": actAs,
    "admin": false,
  };
  callback(null, user, context);
}