Pass parameters to template without overriding data context

Question

I want to pass a new parameter to a template with keeping it\'s original data context.

• original data context : {message:\"hello\"} {{> myTemplate withIc

Answer 1

Building on David's second option to allow for multiple attributes:

and then in javascript:

Template.registerHelper('extendContext', function(data) {
  var result = _.clone(this);
  _.each(data.hash, function(value, key) {
    result[key] = value;
  })
  return result;
})