JMS template post-processing fields Use the Post Processing form of the activity designer to define a script to run after the activity executes. To use the results returned by the activity, append the executionResult. prefix to these parameters. Table 1. Activity designer post-processing fields Field Description Output process script Script to run after the activity executes. Variables Input variables that are available to use as building blocks in the output process script. Click the arrow above the field to open the variables list. Click an item in the tree to add it to your script in the appropriate syntax. The list displays execution results and the variables you passed into the activity on the Inputs form. All activity variables added in the Inputs form are read-only and are expressed in the post-processing script with this syntax: activityInput.variable. For parameter descriptions, refer to the table in the post-processing parameters topic for this activity.