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This routine is available since katl-commons starting with SIL Engine™ 1.0. |
Syntax
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isNull(variable)
Description
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Checks if the provided variable is null or has no value associated and then returns "true. Otherwise ", otherwise returns "false". |
Parameters
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Parameter name | Required | Description |
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variable | Yes |
Value you want |
to test. |
Value argument can be a string or a variable of any type. |
Return type
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boolean (true/false)
Examples
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isNull(timeSpent) |
Alternatively, you You can also use the hasInput routine to check whether certain fields were filled out during a workflow transition. And among those fields you can also check the work logged in particular.
Notes
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If isNull returns "true" the variable has no value attached. isNull will return returns "false" for zero for numeric variables or blank for character/string. |
See also
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