how to upload an image using ember-cli-file-picker to the sails server and set one-to-one relation ship with its model and another model

i am trying to upload an image to sails server using ember-cli-file-picker from ember, its successfully uploaded to the sever but couldn't connect its model with another model,

/*************** Ember ********************/

// project mode


import DS from 'ember-data';

var attr = DS.attr;
export default DS.Model.extend({
  proImage:DS.belongsTo('pro-image',{ async: true }),
});



// project-image  model
import DS from 'ember-data';
var attr = DS.attr;

export default DS.Model.extend({
        proUrl: attr('raw'),
        proImageID:attr(),
        project:DS.belongsTo('project',{ async: true }),
        
});

how to get the image and its related project get together