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Extracting a Struct Element Using the Dot Operator

Use the dot operator in expressions to extract elements of a struct.

In the transformation, create an output port of the same data type as the return value of the struct element that you want to extract.

In the

Expression

column for the output port, click the

Open

button.

The Expression Editor opens.

Delete the existing expression in the editor.

Click the

Ports

tab and select the struct port.

Enter a dot after the port name.

The Developer tool displays a list of elements in the struct.

Select the element that you want to extract.

Click

Validate

to validate the expression.

Click

to exit the Validate Expression dialog box.

Click

to exit the Expression Editor.

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