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The formula can be created by a common mathematical expression, by an ADVPL (Advanced Protheus Language) expression, or by running auserfunction that uses memory variables provided by the system. Variables only exist when the userfunction associated with a formula is running. Thus, you must create an empty userfunction, relate it in the formula register, and then change it to add program lines.
Refer to the Create Formulas item.
Use of Formulas
Formulas are mainly used when flexibility is important, for example, in Standardized Entries.
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Data validation fields use AdvPL language to authenticate information entered. For further information, refer to Data Dictionary.
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Procedures
Adding formulas:
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- Formula register is available in the table SM4 (Formulas) in Configuring Queries.
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