Start multipart attachment upload

This endpoint expects an object.

file_namestringRequired>=1 character

num_of_file_partsintegerRequired

entity_typeenumRequired

Allowed values:

entity_idstringRequiredformat: "uuid"

pathstringRequired>=1 character

mime_typestringOptional

project_namestringOptionalformat: "(?s)^\s*(\S.*\S|\S)\s*$"

If null, the default project is used

MultipartUploadResponse

upload_idstring>=1 character

pre_sign_urlslist of strings

1	curl -X POST http://localhost:5173/api/v1/private/attachment/upload-start \
2	-H "Content-Type: application/json" \
3	-d '{
4	"file_name": "file_name",
5	"num_of_file_parts": 1,
6	"entity_type": "trace",
7	"entity_id": "entity_id",
8	"path": "path"
9	}'