my @related_models;
	# fetch relations from model. By doing it this way when new many_to_many relations are created, the controller automatically picks them up
	my @relations = $self->schema->source('Document')->relationships();
	foreach (@relations) {
		if ($_ =~ m/(^.*)_documents$/) {
			push @related_models, $1;
		}
	}

	foreach (@related_models) {
			my ($relObj) = $object->$_(); #Assume only one object refers to this one (business logic)
			if ($relObj) {
				$row{relatedObject} = $relObj->name();
				$row{relatedObjectId} = $relObj->id();
				$row{relatedObjectType} = $relObj->_source_handle->source_moniker; # Why is getting the source Name so difficult?
			}
		}
		push @data, \%row;
	}

Again thanks for the very informative reply!