getFieldAutoCompleteForQueryString

GET /rest/api/3/jql/autocompletedata/suggestions HTTP/1.1

{
  "fieldName": {
    "description": "The name of the field.",
    "required": false,
    "location": "query",
    "type": "string"
  },
  "fieldValue": {
    "description": "The partial field item name entered by the user.",
    "required": false,
    "location": "query",
    "type": "string"
  },
  "predicateName": {
    "description": "The name of the [ CHANGED operator predicate](https://confluence.atlassian.com/x/hQORLQ#Advancedsearching-operatorsreference-CHANGEDCHANGED) for which the suggestions are generated. The valid predicate operators are *by*, *from*, and *to*.",
    "required": false,
    "location": "query",
    "type": "string"
  },
  "predicateValue": {
    "description": "The partial predicate item name entered by the user.",
    "required": false,
    "location": "query",
    "type": "string"
  }
}

{
  "additionalProperties": false,
  "description": "The results from a JQL query.",
  "properties": {
    "results": {
      "description": "The list of suggested item.",
      "items": {
        "additionalProperties": false,
        "description": "A field auto-complete suggestion.",
        "properties": {
          "displayName": {
            "description": "The display name of a suggested item. If `fieldValue` or `predicateValue` are provided, the matching text is highlighted with the HTML bold tag.",
            "type": "string"
          },
          "value": {
            "description": "The value of a suggested item.",
            "type": "string"
          }
        },
        "type": "object"
      },
      "type": "array"
    }
  },
  "type": "object"
}