QGIS/resources/function_help/json/get_feature_by_id

{
  "name": "get_feature_by_id",
  "type": "function",
  "groups": ["Record and Attributes"],
  "description": "Returns the feature with an id on a layer.",
  "arguments": [{
    "arg": "layer",
    "description": "layer, layer name or layer id"
  }, {
    "arg": "feature_id",
    "description": "the id of the feature which should be returned"
  }],
  "examples": [{
    "expression": "get_feature_by_id('streets', 1)",
    "returns": "the feature with the id 1 on the layer \"streets\""
  }],
  "tags": []
}