diff --git a/src/src/types/BnBModel.jl b/src/src/types/BnBModel.jl
index 3fba99c..b6a8a4d 100644
--- a/src/src/types/BnBModel.jl
+++ b/src/src/types/BnBModel.jl
@@ -1,3 +1,29 @@
+#=
+Type: BnBModel
+Init_Box::Vector{Interval{Float64}}        # stores initial interval box used
+box::Vector{Vector{Interval{Float64}}}     # interval box storage stack
+Init_Integer::Vector{Vector{Int64}}        # initial integer range
+integers::Vector{Vector{Vector{Int64}}}    # integer range storage stack
+LBD::Vector{Float64}                       # lower bounds associated with each stack item
+UBD::Vector{Float64}                       # Upper bounds associated with each stack item
+id::Vector{Int64}                          # Node ID for each stack item
+pos::Vector{Int64}                         # Position in BnB Tree for each stack item
+LBDg::Float64                              # Global Lower Bound
+UBDg::Float64                              # Global Upper Bound
+LBDg_hist::Vector{Float64}                 # Value history LBD problem
+UBDg_hist::Vector{Float64}                 # Value history UBD problem
+LBDgtime::Vector{Float64}                  # Run time history LBD problem
+UBDgtime::Vector{Float64}                  # Run time history UBD problem
+max_id::Int64                              # Max node used
+pstar::Vector{Interval{Float64}}           # IntervalBox with solution
+soln::Vector{Float64}                      # Storage for solution
+soln_val::Float64                          # Solution value found
+first_fnd::Bool                            # Has a solution been found
+feas_fnd::Bool                             # Has a feasible point been found
+first_num::Int64                           # Iteration at which first solution found
+lbcnt::Int64                               # number of lower bounding problems solved
+ubcnt::Int64                               # number of upper bounding problems solved
+=#
 type BnBModel
   Init_Box::Vector{Interval{Float64}}
   box::Vector{Vector{Interval{Float64}}} # interval box stack