GDM 2000 Pahang - EPSG:3379

WKT

PROJCS["GDM_2000_State_Cassini_Pahang", 
	GEOGCS["GCS_GDM_2000", 
		DATUM["D_GDM_2000", 
			SPHEROID["GRS_1980", 6378137.0, 298.257222101]], 
		PRIMEM["Greenwich", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	PROJECTION["Cassini"], 
	PARAMETER["False_Easting", -7368.228], 
	PARAMETER["False_Northing", 6485.858], 
	PARAMETER["Central_Meridian", 102.3682989833333], 
	PARAMETER["Scale_Factor", 1.0], 
	PARAMETER["Latitude_Of_Origin", 3.769388088888889], 
	UNIT["Meter", 1.0]]

WKT2

PROJCRS["GDM_2000_State_Cassini_Pahang", 
	BASEGEOGCRS["GCS_GDM_2000", 
		DATUM["D_GDM_2000", 
			ELLIPSOID["GRS_1980", 6378137.0, 298.257222101]], 
		PRIMEM["Greenwich", 0.0], 
		CS[ellipsoidal, 2], 
		AXIS["Latitude (lat)", north, 
			ORDER[1]], 
		AXIS["Longitude (lon)", east, 
			ORDER[2]], 
		ANGLEUNIT["Degree", 0.0174532925199433]], 
	CONVERSION["Cassini", 
		METHOD["Cassini"], 
		PARAMETER["False_Easting", -7368.228], 
		PARAMETER["False_Northing", 6485.858], 
		PARAMETER["Central_Meridian", 102.3682989833333], 
		PARAMETER["Scale_Factor", 1.0], 
		PARAMETER["Latitude_Of_Origin", 3.769388088888889]], 
	CS[Cartesian, 2], 
	AXIS["Easting (X)", east, 
		ORDER[1]], 
	AXIS["Northing (Y)", north, 
		ORDER[2]], 
	LENGTHUNIT["Meter", 1.0], 
	ID["EPSG", "3379"]]

Data from @esri/proj-codes

{
  "wkid": 3379,
  "latestWkid": 3379,
  "gcsWkid": 4742,
  "macro": "PE_PCS_GDM_2000_STATE_CASSINI_PAHANG",
  "name": "GDM_2000_State_Cassini_Pahang",
  "wkt": "PROJCS[\"GDM_2000_State_Cassini_Pahang\",GEOGCS[\"GCS_GDM_2000\",DATUM[\"D_GDM_2000\",SPHEROID[\"GRS_1980\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Cassini\"],PARAMETER[\"False_Easting\",-7368.228],PARAMETER[\"False_Northing\",6485.858],PARAMETER[\"Central_Meridian\",102.3682989833333],PARAMETER[\"Scale_Factor\",1.0],PARAMETER[\"Latitude_Of_Origin\",3.769388088888889],UNIT[\"Meter\",1.0]]",
  "wkt2": "PROJCRS[\"GDM_2000_State_Cassini_Pahang\",BASEGEOGCRS[\"GCS_GDM_2000\",DATUM[\"D_GDM_2000\",ELLIPSOID[\"GRS_1980\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,2],AXIS[\"Latitude (lat)\",north,ORDER[1]],AXIS[\"Longitude (lon)\",east,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433]],CONVERSION[\"Cassini\",METHOD[\"Cassini\"],PARAMETER[\"False_Easting\",-7368.228],PARAMETER[\"False_Northing\",6485.858],PARAMETER[\"Central_Meridian\",102.3682989833333],PARAMETER[\"Scale_Factor\",1.0],PARAMETER[\"Latitude_Of_Origin\",3.769388088888889]],CS[Cartesian,2],AXIS[\"Easting (X)\",east,ORDER[1]],AXIS[\"Northing (Y)\",north,ORDER[2]],LENGTHUNIT[\"Meter\",1.0],ID[\"EPSG\",\"3379\"]]",
  "description": "GDM 2000 Pahang",
  "authority": "EPSG",
  "version": "8.6(9.2.0)",
  "deprecated": "no",
  "areaname": "Malaysia - West Malaysia - Pahang",
  "extent": {
    "slat": 2.45,
    "nlat": 4.78,
    "llon": 101.33,
    "rlon": 103.67
  }
}