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Locking a Field in Marketo

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George_Hoffman
Level 3

Locking a Field in Marketo

I created a field in Marketo called "Original External Referrer". Is there a way that I can allow this field be autofilled once (through Javascript) and then locked forever?

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Accepted Solutions
Josh_Hill13
Level 10 - Champion Alumni

Re: Locking a Field in Marketo

Yes, once you set the conditions for Field Blocking, the only way Marketo can overwrite the existing value is if you

  • Allowed that method like List Import or SFDC
  • Turned off Field Blocking

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5 REPLIES 5
Devraj_Grewal
Level 10 - Champion Alumni

Re: Locking a Field in Marketo

Once the field is updated with whatever value you would like, you can then block any field updates to that field. Navigate to Admin > Field Management > drag in the field in question > Field Actions > Block Field Updates > check all the checkboxes.

More info: Block Updates to a Field - Marketo Docs - Product Docs

George_Hoffman
Level 3

Re: Locking a Field in Marketo

This is a field that will be on all contact records. For each individual contact I'd like it to lock as soon as it populates. If I just block field updates, the field will never populate, correct?

Devraj_Grewal
Level 10 - Champion Alumni

Re: Locking a Field in Marketo

Well it will never update after the field is blocked, so in your case you won't be able to block the field until all updates to the field are done.

What you can do in the meantime is drag the field into the field management area of admin and you can at least see where the field is being used in Marketo ("Field Used By"), to ensure it doesn't get updated from within Marketo.

Iryna_Zhuravel4
Level 8 - Champion Alumni

Re: Locking a Field in Marketo

To the best of my knowledge, blocking field updates through admin will not let you update the field once it has been populated, you should still be able to update the blocked field if it is blank. So this option should serve the purpose

Josh_Hill13
Level 10 - Champion Alumni

Re: Locking a Field in Marketo

Yes, once you set the conditions for Field Blocking, the only way Marketo can overwrite the existing value is if you

  • Allowed that method like List Import or SFDC
  • Turned off Field Blocking