# External app launcher

The external app launcher can be used to launch an external app, for example Flow Print or Google Maps, directly from a workflow.

* **Title**\
  The title will be the prompt on the user step object.
* **Icon**\
  Select the icon that are to show on the object.
* **Target Variable**\
  The name of the object output variable.
* **Pre Large Text**\
  The large text shown on the object before being executed.
* **Pre Small Text**\
  The small text shown on the object before being executed.
* **Post Large Text**\
  The large text shown on the object after being executed.
* **Post Small Text**\
  The small text shown on the object after being executed.
* **Auto Run**\
  If ticked, the external app launcher will be automatically started when the user gets to a step where it is included.
* **Allow Empty**\
  Tick this box if the user should be allowed to continue in the workflow without running the external app launcher.
* **Allow Multiple Runs**\
  Tick this box if the external app launcher should be possible to run multiple times.
* **Android/iOS/Universal Windows URI**\
  Enter the URI for the app which is to open here in these fields.
* **External App Callback Keys**\
  Variables into which callbacks from the app are to be stored.
* **External App Input Variables**\
  Variables which are to be sent to the external app. If Flow Print is the app that is to open, this is where the ZPL code variable is put.

![](https://543770944-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LtPTgZOYmpJka4jqs1v%2F-LvKR67H5qfdO6t3E9lJ%2F-LvKRfP9Fjysa4q6OfLk%2Fext_app_launcher.png?alt=media\&token=2a94c568-7fee-4474-89c8-c45e6c108264)