The internal name of the lead property, which must begin with a lowercase letter and include only lowercase letters and numbers.

The human-readable label for the property as it appears in the HubSpot UI.

The type of input field used to display this property in forms or UI components, such as text, dropdown, or checkbox.

The underlying data type used to store the property's value, such as string, number, or datetime.

The name of the group that this property belongs to for organizational purposes.

A brief explanation of the property's purpose or intended usage.

The order in which the property appears relative to other properties in the same group.

Indicates whether this property pulls its selectable options from an external source.

Indicates whether the property is used in forms submitted by users or leads.

True if the property's value is automatically calculated based on other fields or rules.

Indicates whether the property is hidden from the UI or standard views.

True if the property was created by HubSpot as part of its default schema.

Indicates whether the property can be archived in HubSpot.

True if the property's definition cannot be modified.

True if the value of this property is locked and cannot be updated.

A combined list of possible values for the property. Has a value when FieldType is radio, checkbox, or boolean checkbox.

Indicates whether each record must have a unique value for this property.