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Version: 3.0

Application Instance

Definition​

A compiled and deployed environment of the Mendix Application, either on a local computer or in the cloud.

For example, the Test or Acceptance environment of a Mendix App.

The associated Test setting on a Test Configuration determines which Application Instances are being tested.

Properties​

Key​

The identifying number assigned by MTA that is used in the MTA Public API endpoints.

Name​

The name of the Application Instance; the name of the first one is 'Default' but can be changed by the user. |

Token​

A globally unique id (GUID) that is generated upon creation and identifies this instance.

URL​

{Optional} The URL to the instance that is entered by the user. Entering this allows for navigating to the Instance's Homepage when creating a Recording.

Connectiond Id​

A globally unique id (GUID) that is generated each time a connection is made to the instance.

Business rules​

  • A Test Setting must be associated to exacly one Application Instance in order to Execute the Test Configuration.

Actions on an Application Instance​

View Application Instances for an Application​

  • Navigate to the Applications page to view all Applications that are used in MTA.
  • Select an Application by clicking on the tile.
  • Navigate to App instances to view the Application Instances.
  • MTA will show details of the Application Instance on the right. Click on Copy of any of the values if you need to use them to configure your MTA plugin.

View Test settings and Test Configurations that use an Application Instance​

  • Navigate to the Applications page to view all Applications that are used in MTA.
  • Select an Application by clicking on the tile.
  • Navigate to App instances to view the Application Instances.
  • Test settings and Test Configurations are shown in the block 'Used in the following test settings'.

Create an Application Instance​

  • Navigate to the Applications page to view all Applications that are used in MTA.
  • Select an Application by clicking on the tile.
  • Navigate to App instances to view the Application Instances.
  • Click Add to add an Application Instance.
  • Enter a name and optional URL.
  • Choose Save.

Note that each time an Application is added, a Default Application Instance is autogenerated.

Edit an Application Instance​

  • Navigate to the Applications page to view all Applications that are used in MTA.
  • Select an Application by clicking on the tile.
  • Navigate to App instances to view the Application Instances.
  • Click on the Application Instance to edit it.

Delete an Application Instance​

  • Navigate to the Applications page to view all Applications that are used in MTA.
  • Select an Application by clicking on the tile.
  • Navigate to App instances to view the Application Instances.
  • Click on the Application Instance to delete it.

Note that if a Test Configuration was using the Application Instance, this will result in a Construction Error on the Test Configurations page.

Feedback?​

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Last updated 27 November 2025