Assignment Expression
The Assignment Expression attribute allows you to set a default value for data objects and data outputs.
The Assigment Expression dialog can be accessed from Attributes/Assignment Expression.. context menu action of the shape.
In the dialog, you will be able to select the logic you wanna use as default values of the shape.
![assignment expression 1](_images/assignment-expression-1.png)
The data inputs of the process and data stores are part of the context and can be used in the expressions.