Ehlers instantaneous indicator

Hi ,where i can dowload this indicator mt4.It’s ehlers instantaneous indicator by lazy bear on trading view.
Below source code

study(title=“Ehlers Instantaneous Trend [LazyBear]”, shorttitle=“EIT_LB”, overlay=true, precision=3)
src=input(hl2, title=“Source”)
a= input(0.07, title=“Alpha”, step=0.01)
fr=input(false, title=“Fill Trend Region”)
ebc=input(false, title=“Enable barcolors”)
hr=input(false, title=“Hide Ribbon”)
it=(a-((aa)/4.0))src+0.5aasrc[1]-(a-0.75aa)src[2]+2(1-a )nz(it[1], ((src+2src[1]+src[2])/4.0))-(1-a )(1-a )nz(it[2], ((src+2src[1]+src[2])/4.0))
lag=2.0*it-nz(it[2])
dl=plot(fr and (not hr)?(it>lag?lag:it):na, color=gray, style=circles, linewidth=0, title=“Dummy”)
itl=plot(hr?na:it, color=fr?gray:red, linewidth=1, title=“Trend”)
ll=plot(hr?na:lag, color=fr?gray:blue, linewidth=1, title=“Trigger”)
fill(dl, ll, green, title=“UpTrend”, transp=70)
fill(dl, itl, red, title=“DownTrend”, transp=70)
bc=not ebc?na:(it>lag?red:lime)
barcolor(bc)