Setting of vscode

settings.json

{
    "yaml.customTags": [
        "!Ref",
        "!Sub scalar",
        "!Sub sequence",
        "!Join sequence",
        "!FindInMap sequence",
        "!GetAtt scalar",
        "!GetAtt sequence",
        "!Base64 mapping",
        "!GetAZs",
        "!Select scalar",
        "!Select sequence",
        "!Split sequence",
        "!ImportValue",
        "!Condition",
        "!Equals sequence",
        "!And",
        "!If",
        "!Not",
        "!Or",
        "!And sequence",
        "!If sequence",
        "!Not sequence",
        "!Equals",
        "!Or sequence",
        "!FindInMap",
        "!Base64",
        "!Join",
        "!Cidr",
        "!Sub",
        "!GetAtt",
        "!ImportValue sequence",
        "!Select",
        "!Split"
    ]
}