Unity uses a custom-optimized YAML library called UnityYAML. The UnityYAML library does not support the full YAML specification. This documentation outlines which parts of the YAML spec UnityYAML supports.
You cannot externally produce or edit UnityYAML files.
|Mappings||UnityYAML supports both flow and block styles.|
|Scalars||UnityYAML supports double and single quoted scalars as well as plain scalars. You can split them onto multiple lines. Be aware that multi-line scalars can create performance and memory overheads during parsing.
Plain scalars split onto multiple lines must be indented more than the previous line. See below this table for an example.
You can use UTF–8 characters in scalars, but UnityYAML only decodes them when they are part of a double quoted scalar.
|Sequences||UnityYAML supports mapping, block styles, and block sequences that contain block mappings.|
parent: This is a multi-line scalar ^ |
If there is no indentation, the scalar returns
This is a and might trigger an Asset into further parsing.
|Chomping indicators||UnityYAML does not support using
|Comments||UnityYAML does not support comments.|
|Complex mapping keys||UnityYAML does not support complex mapping keys.|
|Multiple documents||The reader skips document and tag prefixes at the top of files, but does not handle YAML input that consists of multiple documents.|
|Raw block sequences||Nearly all nodes are part of a mapping in UnityYAML, so all sequences must be values of a mapping to work correctly. See below this table for an example.
Anonymous sequences increase the parser complexity. You cannot use indentation as a way of determining if a sequence element has finished in UnityYAML.
|TagsA reference word which you can assign to one or more GameObjects to help you identify GameObjects for scripting purposes. For example, you might define and “Edible” Tag for any item the player can eat in your game. More info
See in Glossary
|UnityYAML does not support tags.|
var: - 1 - 2 - 3
The sequence is designed for lookups upon
var, so the following does not work:
- 1 - 2 - 3
2019–05–13 Page published
New in 2019.3 NewIn20193
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