This functionality is used to create expression which we can not add by using fields in
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Open Report. You see this dialog box by clicking on OpenReport - >Add an expression from menubar.
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* Using the Expression button you can enter expressions in the Python language. These expressions can use all of the object's fields for their calculations.For example if you make a report on an order you can use the following expression:
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* Using the Expression button you can enter expressions in the Python language. These expressions can use all of the object's fields for their calculations. For example if you make a report on an order you can use the following expression: