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Introduction

You may want to separate your fields into sections, each with a heading and description. To do this, you can use a section component:
You can also use a section without a header, which just wraps the components in a simple card:

Adding an icon to the section’s header

You may add an icon to the section’s header using the icon() method:

Positioning the heading and description aside

You may use the aside() to align heading & description on the left, and the components inside a card on the right:
Optionally, you may pass a boolean value to control if the section should be aside or not:

Collapsing sections

Sections may be collapsible() to optionally hide long content:
Your sections may be collapsed() by default:
Optionally, the collapsible() and collapsed() methods accept a boolean value to control if the section should be collapsible and collapsed or not:

Persisting collapsed sections in the user’s session

You can persist whether a section is collapsed in local storage using the persistCollapsed() method, so it will remain collapsed when the user refreshes the page:
To persist the collapse state, the local storage needs a unique ID to store the state. This ID is generated based on the heading of the section. If your section does not have a heading, or if you have multiple sections with the same heading that you do not want to collapse together, you can manually specify the id() of that section to prevent an ID conflict:
Optionally, the persistCollapsed() method accepts a boolean value to control if the section should persist its collapsed state or not:

Compact section styling

When nesting sections, you can use a more compact styling:
Optionally, the compact() method accepts a boolean value to control if the section should be compact or not:

Secondary section styling

By default, sections have a contrasting background color, which makes them stand out against a gray background. Secondary styling gives the section a less contrasting background, so it is usually slightly darker. This is a better styling when the background color behind the section is the same color as the default section background color, for example when a section is nested inside another section. Secondary sections can be created using the secondary() method:
Optionally, the secondary() method accepts a boolean value to control if the section should be secondary or not:

Inserting actions and other components in the header of a section

You may insert actions and any other schema component (usually prime components) into the header of a section by passing an array of components to the afterHeader() method:
You may insert actions and any other schema component (usually prime components) into the footer of a section by passing an array of components to the footer() method:

Using grid columns within a section

You may use the columns() method to easily create a grid within the section: