For AI agents: a documentation index is available at the root level at /llms.txt and /llms-full.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
Custom metadata in the form of key-value pairs.
Maximum size of a tag key is 128 characters.
Maximum size of a tag value is 256 characters.
There can be a maximum of 10 key-value pairs.
This field can be templated with Liquid.
Specify variables with each recipient for personalization.