core/camel-core-engine/src/main/schema/constant.json

{
 "model": {
    "kind": "model",
    "name": "constant",
    "title": "Constant",
    "description": "To use a constant value in Camel expressions or predicates.",
    "firstVersion": "1.5.0",
    "javaType": "org.apache.camel.model.language.ConstantExpression",
    "label": "language,core",
    "deprecated": false,
    "input": false,
    "output": false
  },
  "properties": {
    "expression": { "kind": "value", "displayName": "Expression", "required": true, "type": "string", "javaType": "java.lang.String", "deprecated": false, "secret": false, "description": "The expression value in your chosen language syntax" },
    "trim": { "kind": "attribute", "displayName": "Trim", "required": false, "type": "boolean", "javaType": "java.lang.Boolean", "deprecated": false, "secret": false, "defaultValue": true, "description": "Whether to trim the value to remove leading and trailing whitespaces and line breaks" },
    "id": { "kind": "attribute", "displayName": "Id", "required": false, "type": "string", "javaType": "java.lang.String", "deprecated": false, "secret": false, "description": "Sets the id of this node" }
  }
}