extensionAlternateVersionsArray.prefer object

Specifies the backward compatibility with an equivalent COM add-in, XLL add-in, or both.

Properties that reference this object type:

• root.extensions.alternates.prefer

Syntax

Syntax

{
  "comAddin": {
    "progId": "{string}"
  }
}

Schema

{
  "type": "object",
  "properties": {
    "comAddin": {
      "type": "object",
      "properties": {
        "progId": {
          "type": "string",
          "description": "Program ID of the alternate com extension. Maximum length is 64 characters.",
          "maxLength": 64
        }
      },
      "additionalProperties": false,
      "required": [
        "progId"
      ]
    }
  },
  "minProperties": 1
}

Properties

comAddin

Specifies a COM add-in that must be used in place of the Microsoft 365 Web Add-in for Windows.

Type
comAddin

Required
—

Constraints

Supported values

Examples

{
 "extensions": [
    {
      "alternates": [
        {
          "prefer": {
            "comAddin": {
              "progId": "ContosoExtension"
            }
          }
        }
      ]
    }
  ]
}