Hi All, We've created a custom field on our leads. We have values syncing in. The only thing I can't figure out is this: one requirement is that we be able to filter leads that have not yet had a value inserted into the custom field. Does anyone have any idea? I've tried every way I can think of to encode null in a request ala curl -XGET /rest/v1/leads.json?filterType=dgid&filterValues=&access_token=[...] I've tried: filterValues=null, =&, ="" url encoded, ='', =, etc. Nothing seems to work. Does anyone have any suggestions? Thanks very much for your help.
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