Adding a Jira card to a Miro board is a two-step process. First, you'll need to create a Jira card in your Miro account. To do this, click on the "+" icon in the upper left corner of your Miro board and select "Create a card." In the "Title" field, enter the name of your Jira card. Then, in the "Description" field, enter a brief description of the card. Finally, click on the "Create" button.
Once you've created your Jira card, you'll need to add it to your Miro board. To do this, click on the "+" icon in the upper left corner of your Miro board and select "Add a card." In the "Card type" field, select "Jira." Then, in the "Card URL" field, enter the URL of your Jira card. Finally, click on the "Add" button.