Flattens a multi-dimensional array (a Grid or Replicator field for example) into a single dimension.
ingredients: spices: [garlic, cumin, ginger, turmeric, paprika, curry powder] vegetables: [tomatoes, onion] meat: [chicken]
{{ ingredients | flatten }}
ingredients: - garlic - cumin - ginger - turmeric - paprika - curry powder - tomatoes - onion - chicken