JQL Structure The basic structure of a JQL query consists of three components:
Field: Refers to the Jira field that you want to search for. Examples include:
Assignee, Affected version, Attachments, Comment, Component, Created, Creator, Description, Due, Epic link, Filter, Fix version, Issue key, Labels, Last viewed, Priority, Project, Reporter, Resolved, Sprint, Status, Summary, Text, Time spent, Voter, Watcher, custom field – Any custom field defined by the administrator and accessible to the user
Operator: Specifies the comparison operator that you want to use to compare the field to the value. Examples of operators include: