so#43757863

components.my-component.js

import Ember from 'ember';

export default Ember.Component.extend({
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  data:[{id:1,name:'a'},{id:2,name:'b'},{id:3,name:'c'}],
  columns:[
    {
      "propertyName": "id",
      "title": "ID",
    },
    {
      "propertyName": "name",
      "title": "Name",
    },
    {
      "propertyName": "Custom",
      "my-custom-property-for-component": "this is custom property",
      "component": "my-component", // can be template or component
    }]
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
{{models-table tableWideCustomProperty='tableWideCustomProperty'
        data=data
        columns=columns}}
<br>
<br>

templates.components.my-component.hbs

{{column.my-custom-property-for-component}} passed to the component
<br>
{{table.tableWideCustomProperty}} passed to the component
<br>
record's id is :{{record.id}}
<br>
total data length is : {{data.length}}

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-models-table":"1.12.0"
  }
}