{ "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" }], "tags": ["map", "exists", "key"] }