Update the existing schema

Add / modify attributes

info

To modify the attribute we need to modify the Pydantic models in workshop_b2/models.py

Change the attributes of taking

Find the model Tag which should look as presented below

class Tag(BaseModel):
    name: str
    color: str

Replace the model Tag with the following model

class Tag(BaseModel):
    name: str = Field(pattern=r'^[a-z0-9]+$')
    color: str = Field(default="#FFFFFF", description="Color of the tag")
    description: str | None = None