Usecase Format and Example!!!

Usecases for the {Functionality Name}
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UseCase Name: [Give a reasonable name for the usecase.] [Usecase Id]
[Sample Format >> Tab-name_functionality_Report] [Sample Id >> (UCTNFR001)]

Actor: [The users who are going to operate the product/application.]
[Sample Actors >> New User/Vendor/Manager]

Assumption: [Assuming the actor would have done those steps to execute this use case.]
[Sample Assumption >> User is a registered user.]

Description: [Precise synopsis about the functionality.]
[Sample Description >> Adding the item(s) in the shopping cart. {Present Tense}]

Steps:
[Steps to complete this functionality (don’t include the assumption{s} in the steps.)]
[Sample Steps >> {Present Continuous Tense}
1. Actor adds an item with cart ID, item ID and quantity.
2. System checks if the inventory is enough.
3. System updates the inventory level.
4. Updated shopping cart contents and total price are displayed.]

End state: [Need to put in the picture like Actor finished that functional procedure successfully.]
[Sample End State >> User adds item{s} to the shopping cart.]

The below list is an extra to a normal Use-case;

Negative Flow: Apart from the primary flow/primary steps, if there is any Wireframes(if available both for positive and negative flows) & negative steps; that can also be mentioned. 

[Sample Negative Flow >> If user clicks on 'Cancel' button, then application navigates to Home page.]

Note: Make sure the flow/steps is complete/sensible when other than you reads it.