I have a field with type Choice (menu to choose from) which allows multiple selections (checkboxes).

At a certain point in my workflow I want to uncheck all the current item's checkboxes. Is this doable in SPD? I tried setting the field to an empty parameter, nothing happened.

1 Answer 1


Follow answer should meet your requirement.

I've done this by using an Initiation Form Parameter called nullString of type Single Line of Text, and not setting the Default value. Then I can set values and variables elsewhere equal to this parameter.

See here

  • I actually tried this before posting the question and it didn't work, so I thought it must be something special with multi-select fields. I tried it again and now it works! Must have missed something when I tried it the first time. Thank you!
    – Chris
    Commented Sep 25, 2015 at 17:23
  • that is okay! in future don't forget to mention what you have tried so far Commented Sep 25, 2015 at 17:26
  • I did mention it in the original post, but I guess I could have been more detailed. Here are the steps that I had followed: nothingbutsharepoint.com/2010/01/22/…
    – Chris
    Commented Sep 25, 2015 at 17:29

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