How to add task in taskbar

class App.Asset extends App.Model
  @configure 'Asset','form_id', 'name', 'serial_number', 'organization', 'user', 'invoices_id', 'attachments_id', 'asset_model', 'seller_model', 'purchase_date', 'purchase_cost', 'description'
  @extend Spine.Model.Ajax
  @url: @apiPath + '/assets'
  @configure_attributes = [
    { name: 'name', display: __('Nazwa'), tag: 'input', null: false, },
    { name: 'serial_number', display: __('Numer seryjny'), tag: 'input',null: false },
    { name: 'organization', display: __('Organization'), tag: 'autocompletion_ajax_customer_organization', multiple: false, null: false, relation: 'Organization', },
    { name: 'user_ids', display: __('User'), tag: 'autocompletion_ajax', relation: 'User', null: true, },
    { name: 'invoice_id', display: __('Faktura'), tag: 'file_upload',form_id: @form_id, null: true, },
    { name: 'attachments_id', display: __('Załączniki'), tag: 'file_upload', form_id: @form_id, null: true,  },
    { name: 'asset_model_id', display: __('Aktywo'), tag: 'autocompletion_ajax', relation: 'AssetModel', null: true, },
    { name: 'seller_model_id', display: __('Sprzedawca'), tag: 'autocompletion_ajax', relation: 'SellerModel', null: true,},
    { name: 'purchase_date', display: __('Data kupna'), tag: 'date', class: 'input', null: true },
    { name: 'purchase_cost', display: __('Koszt kupna'), tag: 'decimal', null: true},
    { name: 'description', display: __('Opis'), tag: 'textarea',upload:true, class: 'input', null: true},
  ]
  @configure_overview = [
    'name', 'serial_number', 'organization', 'user_id', 'invoice_id', 'attachments_id', 'asset_model_id', 'seller_model_id', 'purchase_date', 'purchase_cost', 'description'
  ]
  @configure_preview = [
    'name', 'serial_number', 'organization', 'user_id', 'invoice_id', 'attachments_id', 'asset_model_id', 'seller_model_id', 'purchase_date', 'purchase_cost', 'description'
  ]
  icon: ->
    'overviews'

  displayName: ->
    if !_.isEmpty(@name)
      name = @name

2. I don’t know which query you mean
3. Yes, it is displayed when you first enter the controller, but when you later change it to, for example, dashboard, it no longer displays, only the link changes.