Can I have an example of calling a jscript function from a rule

[Marcus Khoo]

When editing a form, I want to set a “single line of text” field with a substring of a second field whan that field is is changed.
I was thinking that a Rule could pick up the event and a Custom JS function called by that rule would do it.

Can you provide an example of such a Custom function called by a rule please?

Thanks
/Marcus

[Marcus Khoo]

Doh! you have it already in the Examples. Sorry.

[Marcus Khoo]

Spoke too soon. Don’t quite get the example.
I want to trigger the update of a specific field when another changes and i want to do the same for twenty fields
i.e.
when A is changed, B is updated
or
when C is changed, D is updated
or
When E is changed, F is updated
or
etc.

Thanks

[Alexander Bautz]

Did you use the dffs_fieldChanged function from the Custom JS example thread?

You should be able to do it something like this:

function dffs_fieldChanged(fin, new_value, previous_value) {
    switch (fin) {
        case "fieldA":
            setFieldValue("fieldB", new_value.substring(0, 10)); // 10 first characters of fieldA is written to fieldB
            break;
        case "fieldC":
            setFieldValue("fieldD", new_value.substring(0, 10)); // 10 first characters of fieldA is written to fieldB
            break;
    }
}

Alexander

[Travis Goodman]

Hey Alexander, I notice in the latest Classic DFFS version, this function is not firing at all. Not sure why.

[Travis Goodman]

I’m an idiot. I see this is a function for Modern. Sorry.

[Marcus Khoo]

Thanks Alexander, but what calls this function? Is it called automatically whenever any field is changed?
Thanks

[Alexander Bautz]

Yes

[Author]

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