Shell task

The Shell task allows you to run shell scripts and commands.


Command	Shell command to execute.
Argument 1	Arguments that are passed to the shell command.
Argument 2	Arguments that are passed to the shell command.
Argument 3	Arguments that are passed to the shell command.
Argument 4	Arguments that are passed to the shell command.
Argument 5	Arguments that are passed to the shell command.
Wait	Wait, if necessary, until the shell process has terminated.
Output Variables	Variable to store shell command output.
Error Code Variable	Variable to store shell command error code.
Redirect Error	Indicates whether the standard error is combined with the standard output.
Clean Env	Indicates whether the shell process inherits the current environment.
Directory	Default directory of shell process.
Exclusive	When it receives a special job from a specific process example, it makes jobs run in order.
Execution listeners	Listeners for an activity, process, sequence flow, start and end event.
Multi-instance type	Determines if multiple instances of this activity are created.
Cardinality (Multi-instance)	An expression or numeric value determines how many instances are created.
Collection (Multi-instance)	The number of instances is determined by the elements of a collection. For each element in the collection, a new instance is created.
Element Variable (Multi-instance )	The variable under which each element is available to the newly created instance.
Completion Condition (Multi-instance)	An expression that, if it evaluated to `true` , stops the creation of new instances.
Is for compensation	A flag that identifies whether this activity is intended for the purposes of compensation.

Execution listeners examples

You can use the Execution listeners as shown in the examples.

Start

End

Take

Multi-instance type examples

You can use the Multi-instance type as shown in the examples.

Default, only one instance is created:

None

Activities are created in parallel. This is a good practice for User tasks activity:

Parallel

Activities are created sequentially. This is a good practice for Service tasks activity:

Sequential

Cardinality (Multi-instance) examples

You can use the Cardinality (Multi-instance) as shown in the examples.

${number}

2

Collection (Multi-instance) example

You can use the Collection (Multi-instance) as shown in the example.

2

Element variable (Multi-instance) example

You can use the Element variable (Multi-instance) as shown in the example.

elementvar

Completion Condition (Multi-instance) example

You can use the Completion Condition (Multi-instance) as shown in the example.

true

${variable==True}