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How do create an Alert filter for an empty resource
Summary:
I want to create an Alert for learnerLearningRecords, that trigger when learnerLearningRecords/learningItemRelatedMaterials
is empty. How do can I do that? I've tried creating a filter for learnerLearningRecords/learningItemRelatedMaterials and adding the expression ${attachmentName} IS NULL.
Content (required):
I want to create an Alert for learnerLearningRecords, that trigger when learnerLearningRecords/learningItemRelatedMaterials
is empty. How do can I do that? I've tried creating a filter for learnerLearningRecords/learningItemRelatedMaterials and adding the expression ${attachmentName} IS NOT NULL.
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