This property is true if the attachment is an inline attachment.
def get_attachment_is_inline(attachment_index: int) -> bool: ... def set_attachment_is_inline(attachment_index: int, value: bool) -> None: ...
This field is true if the attachment is an inline attachment.
The attachment_index parameter specifies the index of the item in the array. The size of the array is controlled by the attachment_count property.