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How does Block Field Updates work?

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Anonymous
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How does Block Field Updates work?

Hello,

I'm trying to block field updates to the Original Source field, as you can see below:

block.png

The idea is to let this field get populated once and then never get populated again. Ideally a sales rep will select a value for this in SFDC and it will sync to Marketo and get locked in.

I looked at the options to block updates and find them confusing. I don't know which one to select.

screenshot-app-ab24.marketo.com-2018.04.18-15-42-23.png

Should I just select all of them if I don't want this field to get updated down the road? If I block Salesforce Sync, will that mean I won't be able to update it the first and only time I want it updated? If the field is empty and I block it, will Marketo update it the first time and then stop updating after that?

Thank you in advance.

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Dan_Stevens_
Level 10 - Champion Alumni

Re: How does Block Field Updates work?

"Block field updates" only affects UPDATES to a field that already contains a value.  If you select all, a value will still be able to be populated initially from any source.

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4 REPLIES 4
Dan_Stevens_
Level 10 - Champion Alumni

Re: How does Block Field Updates work?

"Block field updates" only affects UPDATES to a field that already contains a value.  If you select all, a value will still be able to be populated initially from any source.

View solution in original post

samantha_myers
Level 1

Re: How does Block Field Updates work?

Hi Dan, 

 

Do you know how this function works re a boolean True/False field. Default will be False, so it will technically have a value. If ever update to True, we want that not to ever be overwritten. Could we still use this 'Block updates' function?

 

Thanks!

Samantha Myers
SanfordWhiteman
Level 10 - Community Moderator

Re: How does Block Field Updates work?


Do you know how this function works re a boolean True/False field. Default will be False, so it will technically have a value.

Not always true. In the broader picture, Marketo Booleans are nullable, so they actually have 3 states: null, false, true.

 

In some cases, like form progressive profiling, null and false are both considered empty. In other cases, like the one you're wondering about, null is coerced to false and they're both considered non-empty. In still other cases null and false are distinct.

 

Unfortunately, locking a Boolean value to true isn't possible using Block Field Updates. This is one of the reasons I shy away from Booleans wherever a DateTime can better model the business process (DateTimes represent the time a setting flipped to true/truthy in addition to the fact that it's true.) What's the purpose of the field you're referring to?

 

SanfordWhiteman
Level 10 - Community Moderator

Re: How does Block Field Updates work?

While you should tick as many of these boxes as possible (taking an opt-in approach is recommended, though admittedly few Marketo users do this) you may want to allow Flow change data value because that can be your "informed" method of changing values when all other methods are blocked.