The available documentation covers HubSpot integration actions like "Update object" but doesn't specify the exact format for appending versus replacing values in multi-select fields. The HubSpot integration allows you to update objects with various data inputs, but the specific syntax for multi-select field operations isn't detailed.
Are you working with a specific multi-select field type in HubSpot, such as contact properties or company properties?
The HubSpot integration documentation shows the "Update object" action can update company objects, but it doesn't specify the exact format for appending versus replacing multi-select field values. The integration allows updating objects with various data inputs and has an "Ignore blank values" option, but the specific syntax for multi-select operations isn't detailed.
What specific multi-select property are you trying to append values to on your company object?