Buton ve row actiondan gridfilter veri gönderme

 {
  "xSpan": 3,
  "controlType": "button",
  "buttonType": "raised",
  "label": "Room Type Availability",
  "icon": "add",
  "disabled": false,
  "color": "primary",
  "rowAction": {
    "name": "",
    "icon": "",
    "startupMsg": "",
    "successMsg": "",
    "failMsg": "",
    "openFormParams": {
      "type": "grid",
      "id": "room-type-availability",
      "filters": {
        "STARTDATE": "$FROM",
        "ENDDATE": "$TO"
      },
      "data": {
        "STARTDATE": "$FROM",
        "ENDDATE": "$TO"
      }
    },
    "requestType": "openform"
  }
}