{
  "sections": [
    "title",
    "description",
    "file_information",
    "directory_location",
    "fields",
    "sub_types",
    "wsdl_segment",
    "declarative_metadata_sample_definition"
  ],
  "title": "LightningMessageChannel - Metadata API",
  "description": "Represents the metadata associated with a Lightning Message Channel. A Lightning Message Channel represents a secure channel to communicate across UI technologies, such as Lightning Web Components, Aura Components, and Visualforce.",
  "file_information": ".messageChannel",
  "directory_location": "messageChannels",
  "fields_columns": [
    "type",
    "description"
  ],
  "fields": {
    "description": {
      "type": "string",
      "description": "The description of the Lightning Message Channel."
    },
    "isExposed": {
      "type": "boolean",
      "description": "Indicates whether a Lightning Message Channel is exposed to components in other namespaces (true) or not (false). The default value is false."
    },
    "lightningMessageFields": {
      "type": "LightningMessageField[]",
      "description": "A list of message payload fields for a given Lightning Message Channel."
    },
    "masterLabel": {
      "type": "string",
      "description": "The label for a Lightning Message Channel.",
      "required": true
    }
  },
  "sub_types": {
    "LightningMessageField": {
      "description": {
        "type": "string",
        "description": "The description for a Lightning Message Field."
      },
      "fieldName": {
        "type": "string",
        "description": "Unique identifier of the Lightning Message Field.",
        "required": true
      }
    }
  },
  "wsdl_segment": "```xml\n<xsd:complexType name=\"LightningMessageChannel\">\n  <xsd:complexContent>\n    <xsd:extension base=\"tns:Metadata\">\n      <xsd:sequence>\n        <xsd:element name=\"description\" minOccurs=\"0\" type=\"xsd:string\"/>\n        <xsd:element name=\"isExposed\" minOccurs=\"0\" type=\"xsd:boolean\"/>\n        <xsd:element name=\"lightningMessageFields\" minOccurs=\"0\" maxOccurs=\"unbounded\" type=\"tns:LightningMessageField\"/>\n        <xsd:element name=\"masterLabel\" type=\"xsd:string\"/>\n      </xsd:sequence>\n    </xsd:extension>\n  </xsd:complexContent>\n</xsd:complexType>\n<xsd:complexType name=\"LightningMessageField\">\n  <xsd:sequence>\n    <xsd:element name=\"description\" minOccurs=\"0\" type=\"xsd:string\"/>\n    <xsd:element name=\"fieldName\" type=\"xsd:string\"/>\n  </xsd:sequence>\n</xsd:complexType>\n<xsd:complexType name=\"Metadata\">\n  <xsd:sequence>\n    <xsd:element name=\"fullName\" minOccurs=\"0\" type=\"xsd:string\"/>\n  </xsd:sequence>\n</xsd:complexType>\n```",
  "declarative_metadata_sample_definition": [
    {
      "description": "Here’s a simple example of a LightningMessageChannel component.",
      "code": "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<LightningMessageChannel xmlns=\"http://soap.sforce.com/2006/04/metadata\">\n    <masterLabel>SampleMessageChannel</masterLabel>\n    <isExposed>true</isExposed>\n    <description>This is a sample Lightning Message Channel.</description>\n</LightningMessageChannel>"
    },
    {
      "description": "Here’s an example of a LightningMessageChannel component with LightningMessageFields.",
      "code": "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<LightningMessageChannel xmlns=\"http://soap.sforce.com/2006/04/metadata\">\n    <masterLabel>SampleMessageChannel</masterLabel>\n    <isExposed>true</isExposed>\n    <description>This is a sample Lightning Message Channel.</description>\n    <lightningMessageFields>\n        <fieldName>recordId</fieldName>\n        <description>This is the record Id that changed</description>\n    </lightningMessageFields>\n    <lightningMessageFields>\n        <fieldName>recordData</fieldName>\n        <description>The current data representing the record that changed</description>\n    </lightningMessageFields>\n</LightningMessageChannel>"
    }
  ]
}