Use Jira Cloud authentication

Hi everyone.
I have an application developed in Forge Custom UI that performs various actions from the issue panel.

An action to be executed must be authenticated by the user who performs it, that is, the user presses a button, a Modal window opens, and must enter their Jira credentials.

To enter Jira Cloud I use my email, so is there a way to authenticate in Jira Cloud, entering a username and password?

Thanks.