The syntax is similar to Prescribed Displacements:

 icset = metafor.getInitialConditionSet()
 icset.define(target, field, ampl)
 icset.define(target, field, ampl, fctMultiChamps , fieldList)

where

target	GObject	meshed geometric entity where the initial condition is prescribed
field	Field1D	nodal variable to be prescribed
field	InternalField	Gauss-point variable to be prescribed
ampl	float	initial value
fctMulti	Function	spatial dependence
fieldList		list of dependency fields

Example: