How to create sub galleries
Sub galleries are made up of a parent gallery and then unlimited child galleries. Each child gallery is a separate gallery assigned to the parent. This allows you to make unlimited hierarchical depths of organization for your galleries.
Create a gallery
Create a gallery like you normally would
Setup hierarchy
When adding/editing a gallery, find the “Parent Gallery” option in the “Page Attributes” panel in the right sidebar.

Step 1
Create your parent gallery. Go to Sunshine > Galleries > Add New. Enter the name of your parent gallery, click Publish.
Step 2

Create your first sub gallery. Go to Sunshine > Galleries > Add New. Enter the name of your child gallery, select the parent gallery, click Publish.
Optionally enter a number for the Order field to specifically order your child galleries from lowest number to highest.
Step 3
Repeat adding child galleries as many times as needed.
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