You can add multiple asset custom fields to any screen you want for JIRA Core, Jira Software, JIRA Service Management and JSM customer portal. And you can filter its content by asset type(s) or saved filters.
It is possible to create a custom field for IT by filtering IT asset types and also it is possible to create another asset custom field for Human Resources by selecting a saved filter for HR.
JIRA
View Issue Screen
View Issue Screen - Asset detail popup
View Issue Screen - Inline edit asset custom field
Create/Edit Issue Screen - filtering, searching and multiple values are supported
Searching for assets and displaying selected assets - Supports Service Management and Jira
Search assets for Asset custom field
Searching for any field, filtering with asset types, filtering current user's related assets or assigned assets and searching by system fields are supported.
List selected assets
JIRA Service Management Customer Portal
Create customer ticket
Asset custom field supports JIRA Service Management customer portal. It is a searchable auto-complete and a multi-select field.
View customer ticket
Asset custom field shows details of the selected assets on JIRA Service Management customer portal request view screen.
Info button opens the list of selected assets with all attributes.