To enclose text in an action clause:

Select the lines in the script you want enclose by the action clause.

Control-click in the selected area.

Choose Action Clauses, and then choose the clause you want to use:
Ignoring App Responses: Script statements placed within this clause will not wait for a response from the target application.
Timeout Clause: A timeout clause extends the amount of time the script waits for a response from an application. By default, scripts wait for 2 minutes (120 seconds) before a timeout error is triggered.
Transaction Clause: This clause is used with specific applications, such as database applications, to reserve the use of a record or file during the script execution.