Here are the one dimensional functions builtin to astromodels
Blackbody
ModifiedBlackbody
NonDissipativePhotosphere
NonDissipativePhotosphere Deep
StepFunction
StepFunctionUpper
Sin
DiracDelta
Log parabola
Exponential cutoff
PhAbs
TbAbs
WAbs
ZDust
EBLattenuation
Constant
Line
Quadratic
Cubic
Quartic
Powerlaw
Powerlaw flux
Powerlaw Eflux
Cutoff powerlaw
Cutoff powerlaw Ep
Inverse cutoff powerlaw
Super cutoff powerlaw
SmoothlyBrokenPowerLaw
Broken powerlaw
Band
Band grbm
Band Calderone
DoubleSmoothlyBrokenPowerlaw
DMFitFunction
DMSpectra
Gaussian
Truncated gaussian
Cauchy
Cosine Prior
Log normal
Uniform prior
Log uniform prior