Optional
parameterDefines the value associated with the type. For reporter this would be {"null"}; for users this would be the names of specific users); for group this would be group names like {"administrators", "jira-administrators", "jira-users"}
Optional
typeThe type of the security level member
The payload for creating a security level member. See https://support.atlassian.com/jira-cloud-administration/docs/configure-issue-security-schemes/