I'm trying to filter the nested gallery based on a condition but not having any luck.
I've got a list of Courses, that participants are linked to (via many to many relationship). I can then lookup if they have got a medical condition or not and display that as a yes or no.
However I want to only display those participants who are on the course and who have a medical to show in the nested gallery.
Gallery 1: Filter('Course Information','Course Information (Views)'.'Active Course Information','Start Date' = dteDatePicker_3.Value)
Gallery 2: ThisItem.Contacts


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