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Tutorials > Solution Designer > Design > Repository

Conditional Fields and Field Calculations

Automatic calculations can be performed using Integer and Decimal fields in a category. By defining a mathematical formula in an index field, it’s possible to use numerical values from other fields to calculate a new value. Exact details on the supported operators and functions of this feature can be found in the Reference section.

How do I create a calculated field?

1.Create fields that will contain numerical data when designing a category in the Therefore™ Solution Designer. In this example, the Invoice Amount (net) is a Decimal field that should be filled by the user.

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2.Create new numerical fields that will contain the calculated values of the previously created numerical fields. In this example, the field Invoice Amount (net) will be used as the base for the calculation in the Tax field. These two fields together will then be used to calculate the value of the Invoice Amount (incl. Tax) field.

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3.For the fields that should be automatically calculated, right-click on the field, select Properties, then switch to the Calculation tab. Enter the Formula for calculating the field value that you want to use. Expand the box by clicking the arrow to view available category fields and functions. Enter any standard arithmetic operators manually: add (+), subtract (-), multiply (*), divide (/), exponentiate (^). The automatic follows the standard mathematical order of operations. In this example, the formula define to calculate a 20% tax is Invoice_Amount_net * 0.2, while the formula for calculating the total invoice amount including tax is Invoice_Amount_net + Tax.

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4.In the Therefore™ Navigator, save a new document into the category.

5.Enter the numerical data in the required fields (e.g. Invoice Amount net) so the configured calculations can be performed on the related fields. The calculation is performed instantly. Fields that with a configured automatic calculation are set to read-only, since the user should not be able to make manual changes to them.

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How do I set conditions for a calculated field?

1.In the category Field Properties, select the Calculations tab and set the conditions under the Conditional formatting options. Expand the box by clicking the arrow to view available category fields and functions. In this example, when the Invoice Amount is larger than the Amount Paid (Invoice_Amount > Amount_Paid), the font color will be displayed in yellow and the background in red.

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2.When the figures are inputted into the required fields of the category in the Therefore™ Navigator, the field where the conditional formatting was configured will display values based on the set conditions. Should the values not meet the defined conditions, the values will be displayed as normal, without applying the conditional formatting.

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How do I create conditional mandatory fields?

1. Start by creating the index data field the condition will rely on, and then the fields where the condition will apply. In this example, we will set the 'E-Mail Address' and 'Phone Number' fields to be Mandatory depending on the answer given in 'Preferred Contact Method'.

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2. Access the properties of the field we want to apply the condition to by right clicking the data field. Navigate to the 'Formulas' tab. Under the section 'Conditional Properties', click the arrow button to open the 'Objects and Functions' window. Here we select the field our condition relies on. In this example, 'Preferred Contact Method'.

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3. As we are setting the 'E-Mail Address' to be a mandatory field when the user selects 'E-Mail' as the preferred contact method, we use the condition 'Preferred_Contact_Method = "E-Mail"', and set the 'Mode' to Mandatory.

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4. In case the field is meant to be skipped or ignored in case a condition is met, we can change the 'Mode' to 'Disabled'.

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5. When the user adds a document to the category they will go through the following experience:
In this case, they set the 'Preferred Contact Method' to E-mail.

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6. Doing so, will cause the "E-Mail Address" condition to be met. This turns 'E-Mail Address' into a mandatory field, and disables the 'Phone Number' field.

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Note:

Conditional Mandatory fields is a feature only available for manually added documents. Documents added to a category with this feature through an automated tool will ignore the feature.