diff --git a/template/types/properties/methods/default.php b/template/types/properties/methods/default.php
index 737f1a40..e93d95ca 100644
--- a/template/types/properties/methods/default.php
+++ b/template/types/properties/methods/default.php
@@ -197,7 +197,46 @@ public function <?php echo $property->getSetterName(); ?>(<?php echo TypeHintUti
         $this-><?php echo $propertyName; ?><?php echo $isCollection ? '[]' : ''; ?> = $<?php echo $propertyName; ?>;
         return $this;
     }
-<?php
+<?php   if ($isCollection) : ?>
+
+    /**<?php if ('' !== $documentation) : ?>
+
+<?php echo $documentation; ?>
+     *<?php endif; ?>
+
+     * @param <?php echo $property->getValueFHIRType()->getFullyQualifiedClassName(true); ?>[] $<?php echo $propertyName; ?>
+
+     * @return static
+     */
+    public function set<?php echo ucfirst($propertyName); ?>(array $<?php echo $propertyName; ?> = []): self
+    {
+        if ([] !== $this-><?php echo $propertyName; ?>) {
+            $this->_trackValuesRemoved(count($this-><?php echo $propertyName; ?>));
+            $this-><?php echo $propertyName; ?> = [];
+        }
+        if ([] === $<?php echo $propertyName; ?>) {
+            return $this;
+        }
+        foreach($<?php echo $propertyName; ?> as $v) {
+            if (is_object($v)) {
+                if ($v instanceof <?php echo $property->getValueFHIRType()->getClassName(); ?>) {
+                    $this-><?php echo $property->getSetterName(); ?>($v);
+                } else {
+                    throw new \InvalidArgumentException(sprintf(
+                        '<?php echo $type->getClassName(); ?> - Field "<?php echo $propertyName; ?>" must be an array of objects implementing <?php echo $property->getValueFHIRType()->getClassName(); ?>, object of type %s seen',
+                        get_class($v)
+                    ));
+                }
+            } else {
+                throw new \InvalidArgumentException(sprintf(
+                    '<?php echo $type->getClassName(); ?> - Unable to set value for field "<?php echo $propertyName; ?>" from value: %s',
+                    json_encode($v)
+                ));
+            }
+        }
+        return $this;
+    }
+<?php   endif;
     endif;
 endforeach;