How to use #var references

#var reference is used for all variables in a Process Scope.

Note that when executing a unit test for a Task, #var references cannot be used.

The syntax for using #var references is #var.variable_name.
Example: #var.productCode

In the example below, a productCode variable is defined as the result of an expression that combines two previously defined variables (both of string type). The #var reference for productCode that you would use in the Process is #var.productCode.
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Foreach Element defines variables that carry values if the item is in iteration.

#var.variable_name For example #var.i

It also defines an index variable that contains the current iteration round value.

#var.variable_name_index For example #var.i_index

#var reference can also contain an object. The items within an object can be referenced using dot notation. For example #var.i.variable_item

The next article is Introduction to Low-Code Approach of Frends.