extensionAlternateVersionsArray.prefer.comAddin object
Specifies a COM add-in that must be used in place of the Microsoft 365 Web Add-in for Windows.
Properties that reference this object type:
Syntax
Properties
progId
Identifies the application type in which the extension can run.
Type
string
Required
✅
Constraints
Maximum string length: 64.
Supported values
Examples
{
"alternates": [
{
"prefer": {
"comAddin": {
"progId": "ContosoExtension"
}
}
}
]
}