Invariant callout to the description of a symbol using the Invariant delimiter. Multiple
Invariant callouts appear in the description section in the same order as they do in the markup.
Use the callout to display a condition that is guaranteed to be true during the execution of the documented symbol.
✓ Symbol documentation
* | + | - Invariant: description
optional continuation of description
The description displayed in Quick Help for the invariant callout is created as described in Parameters Section.
An example of using the invariant field
The person reference will not change during the execution of this method