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Adding Variables to the Execution Pane
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Select BPMN Element
Image RemovedImage Added | To add any execution executional parts to a BPMN element, you must first select the BPMN element on the diagram pane to which you want to add the execution. | ||||||||||
Image Modified | The execution pane displays the related execution model. If there is no execution model will be displayed in the execution pane. For some BPMN elementsin place, you need to create it manually a new execution model (see Working with the Execution Editor > Adding an Execution Model for details). As no execution has been implemented yet, the panel shows an empty operations flow. | ||||||||||
Image Removed | As in our example the selected BPMN element is a Message Start Event, the execution pane also shows section Message with an incoming variable message of type Any.
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Image Removed | If you have selected the outgoing relation of an Exclusive Gateway, section Return is displayed, containing the unchangeable variable return of type Boolean. |
Select Type
Select Type
Next, you need to select the type of the new variable.
Image Added | Go to the Service panel. Types are available from
| Image Removed | Now go to the Service panel and expand the library or the data model you want to use.
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Drag Type to Execution Pane
Image Added | To add a variable |
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to the execution |
- Select the necessary data type from your library.
- Drag it from the library panel and drop it on the execution pane.
There are different targets to drop an element to:
- Sections Persisted or Local: Drop a type on one of these sections to add a new variable.
- Existing Element: Drop a type on an existing variable to change its type.
, simply drag the selected type to the execution pane and drop it to a target area. You can cancel this procedure |
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by pressing Esc or dropping the element outside the execution pane. |
Adding a New Variable
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You can add a new variable by dropping it in section Persisted or Local.
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You can drag the following library contents to the pane:
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Image Added | You can drop the type to different targets:
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Adding Multiplicity
By dropping a type on an existing variable, you can change the type of the variable (see Changing the Type further below). |
Changing a Variable
Changing the Multiplicity
As per default, variables are created with multiplicity 0..1 but you can change this in the attributes of the variable.
Image Added | Image Removed | Once you have dragged a variable to the execution pane, you can add multiplicity. | Open the attributes panel for the variable in question. Here you will find the attribute Array. To add multiplicity, activate the checkbox. To change the multiplicity to 0..*, activate checkbox Array. | ||||||
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| The element type on the pane now | Image Removed | If the checkbox is activated, the variable has the multiplicity 0..* and the element on the pane is extended by a pair of square brackets :Image Removedto indicate the new multiplicity. |
Changing the Type
You can change the type of any variable if you drag by dragging a type from your library and drop dropping it on the variable itself. Example: | ||||||
After you have having dropped the type on the variable, it has changed its typethe new type is displayed. | Image Removed | Variable message cannot be of simple type. If you try to drop a simple type other than default type Any on the Example: | ||||
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message element, a red frame indicates that this is prohibited. |
Changing the
SectionScope
It is also possible to change the section scope for a variable. You can drag & drop variables:
- From Local to Persisted
- From Persisted to Local
- From Message to Persisted or Local
Local to Persisted:
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Persisted to Local:
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Image RemovedImage Added | Message to Persisted or Local:
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Special Case: Adding Persisted Variables
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For detailed information see page Persisting Data. |
If you add variables to section By creating variables as Persisted, they are usable in all executions of throughout the BPMN model. | |||||||||
Image Modified | To use a persisted variable, click the Image Added icon Image Removed to open the list of available persisted variables and select the variable you want to use. | ||||||||
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