Internal name of the communication property, using lowercase letters and numbers, starting with a letter. Serves as the unique identifier.

Readable label displayed in HubSpot's UI to represent the communication property to users.

Defines the input field type (such as text, dropdown,or checkbox) for this property as shown in the UI.

Underlying machine data type (such as string, number, or date) used to store the property's value.

Identifies the property group this communication property belongs to for organizational display.

Detailed description of the property's purpose and its relevance to communication records.

Numerical value determining the order this property appears relative to others in its group.

Indicates whether the property's selectable options are sourced from an external system.

Specifies whether this property is displayed as an editable field within HubSpot forms.

Indicates whether the property's value is automatically computed based on other data.

Determines if the property is hidden from standard views in the HubSpot interface.

True if the property is predefined by HubSpot, false if it was custom-created.

Indicates whether this property can be archived and removed from active use.

Specifies whether the property's definition (such as type or label) is locked and cannot be modified.

Specifies whether the property's value is read-only and not editable by users.

Serialized list of selectable options for the property, relevant when FieldType supports multiple-choice fields (such as radio, checkbox, or boolean checkbox).

Boolean indicating whether the value of the property is unique.