In order to add fields to the tab, follow the steps as below:

• After adding the tab to the layout, go to layout fields tab on the layout screen. This will open the list of fields, that are being configured to the module.
• From the list, search the field name.
• Drag and drop the field from tab to the layout area.
• From the setting icon, field can be configured as mandatory, hidden, read only or default.
• Click on submit
• Assign the layout to the role for which the module is being configured.
• On selecting the role, assign the events to the layout.
• Click on submit.