• Create a new constituent query
    • Select the Criteria tab
    • Under Available Fields, click the plus (+) sign next to Event Participation, Attributes, Specific Attributes
    • Click the plus sign next to the specific attribute in question
    • Highlight the field: (name of specific event attribute) Import ID
    • Click Select
    • Select Not blank as the operator
    • Click OK

      The query includes all constituents with the specific event attribute on their records.