```python

from werk24 import Hook, W24AskTitleBlock from werk24.models.techread import W24TechreadMessage from werk24.utils import w24_read_sync

define a function to read a file and return it as bytes¶

from . import get_drawing_bytes

def recv_title_block(message: W24TechreadMessage) -> None: """ print the Designation when we received it """ if message.is_successful: print(message.payload_dict.get('designation')) else: print("Exceptions occured: {message.exceptions}")

if name == "main":

# get your drawing bytes from a file or buffer
drawing_bytes = get_drawing_bytes()

# define what information you want to receive from the API
# and what shall be done when the info is available.
hooks = [Hook(ask=W24AskTitleBlock(), function=recv_title_block)]

# submit the request to the Werk24 API
w24_read_sync(drawing_bytes, hooks)

```

json "designation": { "names": [ { "blurb": "", "language": "und", "text": "" } ], "value": "Screw M8 x 400" }