Starting app version 5.5.x, you can configure the conditional colors for the custom events.
Please refer to the Conditional colors page to find out more details.
In addition, when it comes to custom events, you’ll be able to create the conditional colors that are based on custom fields such as Event Project, Event Description, Event User(s), Event Reporter, and Event Summary fields.
For example, you want to highlight the custom events that are assigned to certain users. In such case, you would have to select the custom field Event User(s), operator in, and pick the required users. Please see below.