[config.get]

config.get is a slot in the config namespace, in Hyperlambda, the language of Magic Cloud. Reads a single setting from appsettings.json by dotted key path (e.g. ‘magic:auth:secret’).

• Value (config-key), required: Configuration key to retrieve
• Returns: Resolves to the configuration value, or the first child value when the key is missing

Arguments

Required arguments come first, then the optional ones in the order they are declared.

Argument	Type	Required	Description
any node name	string	no	Default value source evaluated and returned when the configuration key does not exist.

Guide: How to use [config.get]

JSON declaration

This is the complete declaration of config.get, as the running system describes it. It is also published as slot.json.

JSON declaration

{
  "name": "config.get",
  "description": "Reads a single setting from appsettings.json by dotted key path (e.g. 'magic:auth:secret')",
  "signature": {
    "input": {
      "kind": "config-key",
      "description": "Configuration key to retrieve",
      "required": true,
      "mode": "ValueOrExpression"
    },
    "children": {
      "*": {
        "type": "string",
        "kind": "config-default",
        "description": "Default value source evaluated and returned when the configuration key does not exist",
        "required": false,
        "mode": "ExecutableLambda",
        "cardinality": "ZeroOrOne",
        "role": "SourceExpression",
        "evaluation": "EvalSelf",
        "projection": "Value"
      }
    },
    "output": {
      "mode": "Value",
      "kind": "config-value,text",
      "description": "Resolves to the configuration value, or the first child value when the key is missing"
    }
  }
}

---

all config.* slots

config.load →