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Message Flow

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Message Flow

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A Message Flow is used to show the flow of messages between two elements (activities, events, or pools) that are prepared to send and receive them. Message Flows thus synchronize the flow of separate processes.

 

pic_messageflow

 

Message Flow is similar to the information flow element in the default template of QPR ProcessGuide but the usage in BPMN is more strictly defined.

 

 

Creating and Modifying Message Flows

Tool Palette of the BPMN template contains a tool for creating message flows message_flow with the flow type specified. When you have selected the tool in the Tool Palette, create a new message flow by clicking first the starting point and then the ending point for the flow. A new dialog for selecting an information item is then displayed. Select an information item from the list or create a new information item to be used as the message (see table in section "Message Flow Attributes" below).

 

You can edit the properties of sequence flows by right-clicking on the element in the flow chart view and selecting Set Flow Properties... For further information on this dialog, see topic "Flow Dialog" in QPR ProcessGuide - User's Guide. Using the pop-up context menu, you can also change directly some of the flow properties, such as the flow type.

 

 

Message Flow Attributes

The attributes of Message Flows are described in the following table.

 

Attribute / Attribute group

Cardinality

Type

Description

MessageRef

1

MessageRef

Defines the message that is being sent. In QPR ProcessGuide separate elements are used as messages. MessageRef type is a relation attribute to Message element. A dialog is opened for selecting the message element.

 

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