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extensionAlternateVersionsArray.prefer object

Specifies the backward compatibility with an equivalent COM add-in.

Properties that reference this object type:

Syntax

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

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"
            }
          }
        }
      ]
    }
  ]
}