Script Invocation Application

The Script Invocation application allows to create scripts that can access the process instance data. It also allows users to create Java Scripts that execute on activity activation.

You can perform following operations on a Script Invocation Application.

• Viewing and Editing Properties
  • Parameters
  • Test
  • Configuration
  • Comments

Viewing and Editing Properties

Following properties should be specified:

Figure: Properties - Script Invocation Application

• UUID - A unique identifier ID gets generated as an identifier for client server communication
• ID - An ID generated automatically based on the application name. If element with the same name exists then during ID generation, a numerical suffix gets added to the ID. If the element is renamed, the ID gets regenerated.

The UUID and ID options are displayed only when you switch to Integrator profile.

• Application Name - Specify name of the application
• Description - Specify the description
• Public Visibility - By default, this check box is selected. It indicates that the element is visible and available for reference from any other model.

Parameters

Arbitrary set of Input and Output Parameters can be created.

• Parameter Definition - To define input/output parameters, click the Add icon. The parameter gets added to parameter definition table.


Figure: Parameter Mapping

• Name - Specify name for the new parameter
• Direction - Select direction for the data from the Direction drop-down list. Following options are provided:
  • In - For read access
  • Out - For write access
• Data Type - Following data types are supported:
  • Primitive - If you select Primitive data type, you need to provide Primitive Type.

  
  Figure: Primitive Data

  • Structured Data - If you select structured data, you need to provide Structure Type. It also lists structured types from other models.

  
  Figure: Structured Data

Test

Using this tab, you can test the application. You can provide the test input in the Input box. Click the Run icon to execute the java script provided in the Configuration tab. Note that only native JS code can be tested successfully in this tab.

Figure: Testing Java Script Execution

You can check the execution results in the Output box.

Configuration

Specify the script in this tab. Following script language is supported:

• JavaScript


Figure: Configuration - JavaScript

• Python


Figure: Configuration - Python

Comments

Click the Comments tab to add comments for the application. To add the comment, specify the comment in the text box and click Submit. The newest comment gets displayed at the top of the table. To delete the comment, select the comment and click the Delete icon. The user, who has submitted the comment, can delete that comment. If the other user selects the comment or no comment is selected, the Delete icon remains in disabled state.

Figure: Comments