# Attachment

If customer_id, project_id and document_id are null, the attachment has a global context and is accessible from the web ui. Keep in mind only to provide one of the four context. You can't attach a file to several context in one request. A error is thrown if you provide two or more context (i. E. sending customer_id, document_id and project_id in combination).

## Properties

Name | Type | Description | Notes
------------ | ------------- | ------------- | -------------
**created_at** | **date** |  | [optional] [readonly] 
**customer_id** | **int** |  | [optional] 
**document_id** | **int** |  | [optional] 
**file_name** | **str** |  | [optional] [readonly] 
**id** | **int** |  | [optional] [readonly] 
**project_id** | **int** |  | [optional] 
**size** | **int** | In byte | [optional] [readonly] 

## Example

```python
from easybill_generated_sync.models.attachment import Attachment

# TODO update the JSON string below
json = "{}"
# create an instance of Attachment from a JSON string
attachment_instance = Attachment.from_json(json)
# print the JSON string representation of the object
print(Attachment.to_json())

# convert the object into a dict
attachment_dict = attachment_instance.to_dict()
# create an instance of Attachment from a dict
attachment_from_dict = Attachment.from_dict(attachment_dict)
```
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