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In the above example we assume that the field with id customfield_10100 is a select list with options Yes and No, and when Yes option is selected, field Address with id customfield_10200 should be required.
Ensure that the issue
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has at least one attachment
A SIL validator which checks if an issue has any file attached during a transaction:
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More useful mathematical routines can be found in the Math Routinesroutines section.
Validation based on date-time expression
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