OptionalcfThe type of the custom field
OptionaldescriptionThe description of the custom field
OptionalnameThe name of the custom field
OptionalonThe strategy to use when there is a conflict with an existing custom field. FAIL - Fail execution, this always needs to be unique; USE - Use the existing entity and ignore new entity parameters
OptionalpcriOptionalsearcherThe searcher key of the custom field
Defines the payload for the custom field definitions. See https://developer.atlassian.com/cloud/jira/platform/rest/v3/api-group-issue-fields/#api-rest-api-3-field-post