{ "name": "map_get", "type": "function", "groups": ["Maps"], "description": "Returns the value of a map, given its key. Returns NULL if the key does not exist.", "arguments": [ {"arg":"map","description":"a map"}, {"arg":"key","description":"the key to lookup"}], "examples": [ { "expression":"map_get(map('1','one','2','two'),'2')", "returns":"'two'"}, { "expression":"map_get( item_variables('Map 0'), 'map_scale')", "returns":"scale of the item 'Map 0' (if it exists) in the current print layout"} ] }