CGVD2013a(1997) height - EPSG:20035

WKT

VERTCS["CGVD2013a(1997)_height", 
	VDATUM["Canadian_Geodetic_Vertical_Datum_of_2013_(CGG2013a)_epoch_1997"], 
	PARAMETER["Vertical_Shift", 0.0], 
	PARAMETER["Direction", 1.0], 
	UNIT["Meter", 1.0]]

WKT2

VERTCRS["CGVD2013a(1997)_height", 
	VDATUM["Canadian_Geodetic_Vertical_Datum_of_2013_(CGG2013a)_epoch_1997", 
		ANCHOREPOCH[1997.0]], 
	CS[vertical, 1], 
	AXIS["Gravity-related height (H)", up, 
		LENGTHUNIT["Meter", 1.0]], 
	ID["EPSG", "20035"]]

Data from @esri/proj-codes

{
  "wkid": 20035,
  "latestWkid": 20035,
  "macro": "PE_VCS_CGVD2013A1997_HEIGHT",
  "name": "CGVD2013a(1997)_height",
  "wkt": "VERTCS[\"CGVD2013a(1997)_height\",VDATUM[\"Canadian_Geodetic_Vertical_Datum_of_2013_(CGG2013a)_epoch_1997\"],PARAMETER[\"Vertical_Shift\",0.0],PARAMETER[\"Direction\",1.0],UNIT[\"Meter\",1.0]]",
  "wkt2": "VERTCRS[\"CGVD2013a(1997)_height\",VDATUM[\"Canadian_Geodetic_Vertical_Datum_of_2013_(CGG2013a)_epoch_1997\",ANCHOREPOCH[1997.0]],CS[vertical,1],AXIS[\"Gravity-related height (H)\",up,LENGTHUNIT[\"Meter\",1.0]],ID[\"EPSG\",\"20035\"]]",
  "description": "CGVD2013a(1997) height",
  "authority": "EPSG",
  "version": "10.066(13.1.0)",
  "deprecated": "no",
  "areaname": "Canada",
  "extent": {
    "slat": 38.21,
    "nlat": 86.46,
    "llon": -141.01,
    "rlon": -40.73
  }
}