Note: You can gain a better understanding of Blocks & Sections by inspecting this image here.
It is essential to add a Section::(Block Wrapper) before starting and breaking other blocks to ensure proper arrangement and functionality.
This block requires you to install and activate the “LYNX Add-ons” plugin and enable the “Gallery” option. To use this block, you need to create a proper Gallery post in the “LYNX Gallery” post type.
You can follow Call Gallery documentation get better knowledge.
Image Gallery Settings
Select Gallery: To use this option, you must create a proper Gallery post in the “LYNX Gallery” post type.