应用如何通过隐式want拉起自己的ability？

{ 
  "name": "OtherAbility", 
  "srcEntry": "./ets/otherability/OtherAbility.ets", 
  "description": "$string:OtherAbility_desc", 
  "icon": "$media:layered_image", 
  "label": "$string:OtherAbility_label", 
  "startWindowIcon": "$media:startIcon", 
  "startWindowBackground": "$color:start_window_background", 
  "launchType": "specified", 
  "skills": [ 
    { 
      "actions": [ 
        "actions.tpns.push" 
      ] 
    } 
  ] 
}

let wantInfo: Want = { 
  bundleName: "com.example.mybundleName",//需要指定bundleName 
  action: 'actions.tpns.push', 
} 
let context = getContext() as common.UIAbilityContext 
context.startAbility(wantInfo)