diff --git a/net_receive/coreneuron/snapsyn.cpp b/net_receive/coreneuron/snapsyn.cpp
new file mode 100644
index 0000000..e289da5
--- /dev/null
+++ b/net_receive/coreneuron/snapsyn.cpp
@@ -0,0 +1,413 @@
+/*********************************************************
+Model Name      : SnapSyn
+Filename        : snapsyn.mod
+NMODL Version   : 7.7.0
+Vectorized      : true
+Threadsafe      : true
+Created         : DATE
+Simulator       : CoreNEURON
+Backend         : C++ (api-compatibility)
+NMODL Compiler  : VERSION
+*********************************************************/
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <coreneuron/gpu/nrn_acc_manager.hpp>
+#include <coreneuron/mechanism/mech/mod2c_core_thread.hpp>
+#include <coreneuron/mechanism/register_mech.hpp>
+#include <coreneuron/nrnconf.h>
+#include <coreneuron/nrniv/nrniv_decl.h>
+#include <coreneuron/sim/multicore.hpp>
+#include <coreneuron/sim/scopmath/newton_thread.hpp>
+#include <coreneuron/utils/ivocvect.hpp>
+#include <coreneuron/utils/nrnoc_aux.hpp>
+#include <coreneuron/utils/randoms/nrnran123.h>
+
+
+namespace coreneuron {
+    #ifndef NRN_PRCELLSTATE
+    #define NRN_PRCELLSTATE 0
+    #endif
+
+
+    /** channel information */
+    static const char *mechanism_info[] = {
+        "7.7.0",
+        "SnapSyn",
+        "e",
+        0,
+        "i",
+        0,
+        0,
+        0
+    };
+
+
+    /** all global variables */
+    struct SnapSyn_Store {
+        int point_type{};
+        int reset{};
+        int mech_type{};
+    };
+    static_assert(std::is_trivially_copy_constructible_v<SnapSyn_Store>);
+    static_assert(std::is_trivially_move_constructible_v<SnapSyn_Store>);
+    static_assert(std::is_trivially_copy_assignable_v<SnapSyn_Store>);
+    static_assert(std::is_trivially_move_assignable_v<SnapSyn_Store>);
+    static_assert(std::is_trivially_destructible_v<SnapSyn_Store>);
+    SnapSyn_Store SnapSyn_global;
+
+
+    /** all mechanism instance variables and global variables */
+    struct SnapSyn_Instance  {
+        const double* e{};
+        double* i{};
+        double* g{};
+        double* v_unused{};
+        double* g_unused{};
+        double* tsave{};
+        const double* node_area{};
+        const int* point_process{};
+        SnapSyn_Store* global{&SnapSyn_global};
+    };
+
+
+    /** connect global (scalar) variables to hoc -- */
+    static DoubScal hoc_scalar_double[] = {
+        {nullptr, nullptr}
+    };
+
+
+    /** connect global (array) variables to hoc -- */
+    static DoubVec hoc_vector_double[] = {
+        {nullptr, nullptr, 0}
+    };
+
+
+    static inline int first_pointer_var_index() {
+        return -1;
+    }
+
+
+    static inline int first_random_var_index() {
+        return -1;
+    }
+
+
+    static inline int num_net_receive_args() {
+        return 1;
+    }
+
+
+    static inline int float_variables_size() {
+        return 6;
+    }
+
+
+    static inline int int_variables_size() {
+        return 2;
+    }
+
+
+    static inline int get_mech_type() {
+        return SnapSyn_global.mech_type;
+    }
+
+
+    static inline Memb_list* get_memb_list(NrnThread* nt) {
+        if (!nt->_ml_list) {
+            return nullptr;
+        }
+        return nt->_ml_list[get_mech_type()];
+    }
+
+
+    static inline void* mem_alloc(size_t num, size_t size, size_t alignment = 16) {
+        void* ptr;
+        posix_memalign(&ptr, alignment, num*size);
+        memset(ptr, 0, size);
+        return ptr;
+    }
+
+
+    static inline void mem_free(void* ptr) {
+        free(ptr);
+    }
+
+
+    static inline void coreneuron_abort() {
+        abort();
+    }
+
+    // Allocate instance structure
+    static void nrn_private_constructor_SnapSyn(NrnThread* nt, Memb_list* ml, int type) {
+        assert(!ml->instance);
+        assert(!ml->global_variables);
+        assert(ml->global_variables_size == 0);
+        auto* const inst = new SnapSyn_Instance{};
+        assert(inst->global == &SnapSyn_global);
+        ml->instance = inst;
+        ml->global_variables = inst->global;
+        ml->global_variables_size = sizeof(SnapSyn_Store);
+    }
+
+    // Deallocate the instance structure
+    static void nrn_private_destructor_SnapSyn(NrnThread* nt, Memb_list* ml, int type) {
+        auto* const inst = static_cast<SnapSyn_Instance*>(ml->instance);
+        assert(inst);
+        assert(inst->global);
+        assert(inst->global == &SnapSyn_global);
+        assert(inst->global == ml->global_variables);
+        assert(ml->global_variables_size == sizeof(SnapSyn_Store));
+        delete inst;
+        ml->instance = nullptr;
+        ml->global_variables = nullptr;
+        ml->global_variables_size = 0;
+    }
+
+    /** initialize mechanism instance variables */
+    static inline void setup_instance(NrnThread* nt, Memb_list* ml) {
+        auto* const inst = static_cast<SnapSyn_Instance*>(ml->instance);
+        assert(inst);
+        assert(inst->global);
+        assert(inst->global == &SnapSyn_global);
+        assert(inst->global == ml->global_variables);
+        assert(ml->global_variables_size == sizeof(SnapSyn_Store));
+        int pnodecount = ml->_nodecount_padded;
+        Datum* indexes = ml->pdata;
+        inst->e = ml->data+0*pnodecount;
+        inst->i = ml->data+1*pnodecount;
+        inst->g = ml->data+2*pnodecount;
+        inst->v_unused = ml->data+3*pnodecount;
+        inst->g_unused = ml->data+4*pnodecount;
+        inst->tsave = ml->data+5*pnodecount;
+        inst->node_area = nt->_data;
+        inst->point_process = ml->pdata;
+    }
+
+
+
+    static void nrn_alloc_SnapSyn(double* data, Datum* indexes, int type) {
+        // do nothing
+    }
+
+
+    void nrn_constructor_SnapSyn(NrnThread* nt, Memb_list* ml, int type) {
+        #ifndef CORENEURON_BUILD
+        int nodecount = ml->nodecount;
+        int pnodecount = ml->_nodecount_padded;
+        const int* node_index = ml->nodeindices;
+        double* data = ml->data;
+        const double* voltage = nt->_actual_v;
+        Datum* indexes = ml->pdata;
+        ThreadDatum* thread = ml->_thread;
+        auto* const inst = static_cast<SnapSyn_Instance*>(ml->instance);
+
+        #endif
+    }
+
+
+    void nrn_destructor_SnapSyn(NrnThread* nt, Memb_list* ml, int type) {
+        #ifndef CORENEURON_BUILD
+        int nodecount = ml->nodecount;
+        int pnodecount = ml->_nodecount_padded;
+        const int* node_index = ml->nodeindices;
+        double* data = ml->data;
+        const double* voltage = nt->_actual_v;
+        Datum* indexes = ml->pdata;
+        ThreadDatum* thread = ml->_thread;
+        auto* const inst = static_cast<SnapSyn_Instance*>(ml->instance);
+
+        #endif
+    }
+
+
+    static inline void net_receive_kernel_SnapSyn(double t, Point_process* pnt, SnapSyn_Instance* inst, NrnThread* nt, Memb_list* ml, int weight_index, double flag) {
+        int tid = pnt->_tid;
+        int id = pnt->_i_instance;
+        double v = 0;
+        int nodecount = ml->nodecount;
+        int pnodecount = ml->_nodecount_padded;
+        double* data = ml->data;
+        double* weights = nt->weights;
+        Datum* indexes = ml->pdata;
+        ThreadDatum* thread = ml->_thread;
+
+        double* weight = weights + weight_index + 0;
+        inst->tsave[id] = t;
+        {
+            inst->g[id] = inst->g[id] + (*weight);
+        }
+    }
+
+
+    static void net_receive_SnapSyn(Point_process* pnt, int weight_index, double flag) {
+        NrnThread* nt = nrn_threads + pnt->_tid;
+        Memb_list* ml = get_memb_list(nt);
+        NetReceiveBuffer_t* nrb = ml->_net_receive_buffer;
+        if (nrb->_cnt >= nrb->_size) {
+            realloc_net_receive_buffer(nt, ml);
+        }
+        int id = nrb->_cnt;
+        nrb->_pnt_index[id] = pnt-nt->pntprocs;
+        nrb->_weight_index[id] = weight_index;
+        nrb->_nrb_t[id] = nt->_t;
+        nrb->_nrb_flag[id] = flag;
+        nrb->_cnt++;
+    }
+
+
+    void net_buf_receive_SnapSyn(NrnThread* nt) {
+        Memb_list* ml = get_memb_list(nt);
+        if (!ml) {
+            return;
+        }
+
+        NetReceiveBuffer_t* nrb = ml->_net_receive_buffer;
+        auto* const inst = static_cast<SnapSyn_Instance*>(ml->instance);
+        int count = nrb->_displ_cnt;
+        #pragma omp simd
+        #pragma ivdep
+        for (int i = 0; i < count; i++) {
+            int start = nrb->_displ[i];
+            int end = nrb->_displ[i+1];
+            for (int j = start; j < end; j++) {
+                int index = nrb->_nrb_index[j];
+                int offset = nrb->_pnt_index[index];
+                double t = nrb->_nrb_t[index];
+                int weight_index = nrb->_weight_index[index];
+                double flag = nrb->_nrb_flag[index];
+                Point_process* point_process = nt->pntprocs + offset;
+                net_receive_kernel_SnapSyn(t, point_process, inst, nt, ml, weight_index, flag);
+            }
+        }
+        nrb->_displ_cnt = 0;
+        nrb->_cnt = 0;
+    }
+
+
+    /** initialize channel */
+    void nrn_init_SnapSyn(NrnThread* nt, Memb_list* ml, int type) {
+        int nodecount = ml->nodecount;
+        int pnodecount = ml->_nodecount_padded;
+        const int* node_index = ml->nodeindices;
+        double* data = ml->data;
+        const double* voltage = nt->_actual_v;
+        Datum* indexes = ml->pdata;
+        ThreadDatum* thread = ml->_thread;
+
+        setup_instance(nt, ml);
+        auto* const inst = static_cast<SnapSyn_Instance*>(ml->instance);
+
+        if (_nrn_skip_initmodel == 0) {
+            #pragma omp simd
+            #pragma ivdep
+            for (int id = 0; id < nodecount; id++) {
+                inst->tsave[id] = -1e20;
+                int node_id = node_index[id];
+                double v = voltage[node_id];
+                #if NRN_PRCELLSTATE
+                inst->v_unused[id] = v;
+                #endif
+                inst->g[id] = 0.0;
+            }
+        }
+    }
+
+
+    inline double nrn_current_SnapSyn(int id, int pnodecount, SnapSyn_Instance* inst, double* data, const Datum* indexes, ThreadDatum* thread, NrnThread* nt, double v) {
+        double current = 0.0;
+        inst->i[id] = inst->g[id] * (v - inst->e[id]);
+        current += inst->i[id];
+        return current;
+    }
+
+
+    /** update current */
+    void nrn_cur_SnapSyn(NrnThread* nt, Memb_list* ml, int type) {
+        int nodecount = ml->nodecount;
+        int pnodecount = ml->_nodecount_padded;
+        const int* node_index = ml->nodeindices;
+        double* data = ml->data;
+        const double* voltage = nt->_actual_v;
+        double* vec_rhs = nt->_actual_rhs;
+        double* vec_d = nt->_actual_d;
+        double* shadow_rhs = nt->_shadow_rhs;
+        double* shadow_d = nt->_shadow_d;
+        Datum* indexes = ml->pdata;
+        ThreadDatum* thread = ml->_thread;
+        auto* const inst = static_cast<SnapSyn_Instance*>(ml->instance);
+
+        #pragma omp simd
+        #pragma ivdep
+        for (int id = 0; id < nodecount; id++) {
+            int node_id = node_index[id];
+            double v = voltage[node_id];
+            #if NRN_PRCELLSTATE
+            inst->v_unused[id] = v;
+            #endif
+            double g = nrn_current_SnapSyn(id, pnodecount, inst, data, indexes, thread, nt, v+0.001);
+            double rhs = nrn_current_SnapSyn(id, pnodecount, inst, data, indexes, thread, nt, v);
+            g = (g-rhs)/0.001;
+            double mfactor = 1.e2/inst->node_area[indexes[0*pnodecount + id]];
+            g = g*mfactor;
+            rhs = rhs*mfactor;
+            #if NRN_PRCELLSTATE
+            inst->g_unused[id] = g;
+            #endif
+            shadow_rhs[id] = rhs;
+            shadow_d[id] = g;
+        }
+        for (int id = 0; id < nodecount; id++) {
+            int node_id = node_index[id];
+            vec_rhs[node_id] -= shadow_rhs[id];
+            vec_d[node_id] += shadow_d[id];
+        }
+    }
+
+
+    /** update state */
+    void nrn_state_SnapSyn(NrnThread* nt, Memb_list* ml, int type) {
+        int nodecount = ml->nodecount;
+        int pnodecount = ml->_nodecount_padded;
+        const int* node_index = ml->nodeindices;
+        double* data = ml->data;
+        const double* voltage = nt->_actual_v;
+        Datum* indexes = ml->pdata;
+        ThreadDatum* thread = ml->_thread;
+        auto* const inst = static_cast<SnapSyn_Instance*>(ml->instance);
+
+        #pragma omp simd
+        #pragma ivdep
+        for (int id = 0; id < nodecount; id++) {
+            int node_id = node_index[id];
+            double v = voltage[node_id];
+            #if NRN_PRCELLSTATE
+            inst->v_unused[id] = v;
+            #endif
+        }
+    }
+
+
+    /** register channel with the simulator */
+    void _snapsyn_reg() {
+
+        int mech_type = nrn_get_mechtype("SnapSyn");
+        SnapSyn_global.mech_type = mech_type;
+        if (mech_type == -1) {
+            return;
+        }
+
+        _nrn_layout_reg(mech_type, 0);
+        point_register_mech(mechanism_info, nrn_alloc_SnapSyn, nrn_cur_SnapSyn, nullptr, nrn_state_SnapSyn, nrn_init_SnapSyn, nrn_private_constructor_SnapSyn, nrn_private_destructor_SnapSyn, first_pointer_var_index(), nullptr, nullptr, 1);
+
+        hoc_register_prop_size(mech_type, float_variables_size(), int_variables_size());
+        hoc_register_dparam_semantics(mech_type, 0, "area");
+        hoc_register_dparam_semantics(mech_type, 1, "pntproc");
+        hoc_register_net_receive_buffering(net_buf_receive_SnapSyn, mech_type);
+        set_pnt_receive(mech_type, net_receive_SnapSyn, nullptr, num_net_receive_args());
+        hoc_register_var(hoc_scalar_double, hoc_vector_double, NULL);
+    }
+}
diff --git a/net_receive/neuron/snapsyn.cpp b/net_receive/neuron/snapsyn.cpp
new file mode 100644
index 0000000..dae42b8
--- /dev/null
+++ b/net_receive/neuron/snapsyn.cpp
@@ -0,0 +1,319 @@
+/*********************************************************
+Model Name      : SnapSyn
+Filename        : snapsyn.mod
+NMODL Version   : 7.7.0
+Vectorized      : true
+Threadsafe      : true
+Created         : DATE
+Simulator       : NEURON
+Backend         : C++ (api-compatibility)
+NMODL Compiler  : VERSION
+*********************************************************/
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "mech_api.h"
+#include "neuron/cache/mechanism_range.hpp"
+#include "nrniv_mf.h"
+#include "section_fwd.hpp"
+
+/* NEURON global macro definitions */
+/* VECTORIZED */
+#define NRN_VECTORIZED 1
+
+static constexpr auto number_of_datum_variables = 2;
+static constexpr auto number_of_floating_point_variables = 6;
+
+namespace {
+template <typename T>
+using _nrn_mechanism_std_vector = std::vector<T>;
+using _nrn_model_sorted_token = neuron::model_sorted_token;
+using _nrn_mechanism_cache_range = neuron::cache::MechanismRange<number_of_floating_point_variables, number_of_datum_variables>;
+using _nrn_mechanism_cache_instance = neuron::cache::MechanismInstance<number_of_floating_point_variables, number_of_datum_variables>;
+using _nrn_non_owning_id_without_container = neuron::container::non_owning_identifier_without_container;
+template <typename T>
+using _nrn_mechanism_field = neuron::mechanism::field<T>;
+template <typename... Args>
+void _nrn_mechanism_register_data_fields(Args&&... args) {
+    neuron::mechanism::register_data_fields(std::forward<Args>(args)...);
+}
+}  // namespace
+
+extern Prop* nrn_point_prop_;
+
+
+namespace neuron {
+    #ifndef NRN_PRCELLSTATE
+    #define NRN_PRCELLSTATE 0
+    #endif
+
+
+    /** channel information */
+    static const char *mechanism_info[] = {
+        "7.7.0",
+        "SnapSyn",
+        "e",
+        0,
+        "i",
+        0,
+        0,
+        0
+    };
+
+
+    /* NEURON global variables */
+    static int mech_type;
+    static int _pointtype;
+    static int hoc_nrnpointerindex = -1;
+    static _nrn_mechanism_std_vector<Datum> _extcall_thread;
+
+
+    /** all global variables */
+    struct SnapSyn_Store {
+    };
+    static_assert(std::is_trivially_copy_constructible_v<SnapSyn_Store>);
+    static_assert(std::is_trivially_move_constructible_v<SnapSyn_Store>);
+    static_assert(std::is_trivially_copy_assignable_v<SnapSyn_Store>);
+    static_assert(std::is_trivially_move_assignable_v<SnapSyn_Store>);
+    static_assert(std::is_trivially_destructible_v<SnapSyn_Store>);
+    SnapSyn_Store SnapSyn_global;
+
+
+    /** all mechanism instance variables and global variables */
+    struct SnapSyn_Instance  {
+        double* e{};
+        double* i{};
+        double* g{};
+        double* v_unused{};
+        double* g_unused{};
+        double* tsave{};
+        const double* const* node_area{};
+        SnapSyn_Store* global{&SnapSyn_global};
+    };
+
+
+    struct SnapSyn_NodeData  {
+        int const * nodeindices;
+        double const * node_voltages;
+        double * node_diagonal;
+        double * node_rhs;
+        int nodecount;
+    };
+
+
+    static SnapSyn_Instance make_instance_SnapSyn(_nrn_mechanism_cache_range& _ml) {
+        return SnapSyn_Instance {
+            _ml.template fpfield_ptr<0>(),
+            _ml.template fpfield_ptr<1>(),
+            _ml.template fpfield_ptr<2>(),
+            _ml.template fpfield_ptr<3>(),
+            _ml.template fpfield_ptr<4>(),
+            _ml.template fpfield_ptr<5>(),
+            _ml.template dptr_field_ptr<0>()
+        };
+    }
+
+
+    static SnapSyn_NodeData make_node_data_SnapSyn(NrnThread& _nt, Memb_list& _ml_arg) {
+        return SnapSyn_NodeData {
+            _ml_arg.nodeindices,
+            _nt.node_voltage_storage(),
+            _nt.node_d_storage(),
+            _nt.node_rhs_storage(),
+            _ml_arg.nodecount
+        };
+    }
+
+
+    static void nrn_alloc_SnapSyn(Prop* _prop) {
+        Prop *prop_ion{};
+        Datum *_ppvar{};
+        if (nrn_point_prop_) {
+            _nrn_mechanism_access_alloc_seq(_prop) = _nrn_mechanism_access_alloc_seq(nrn_point_prop_);
+            _ppvar = _nrn_mechanism_access_dparam(nrn_point_prop_);
+        } else {
+            _ppvar = nrn_prop_datum_alloc(mech_type, 2, _prop);
+            _nrn_mechanism_access_dparam(_prop) = _ppvar;
+            _nrn_mechanism_cache_instance _ml_real{_prop};
+            auto* const _ml = &_ml_real;
+            size_t const _iml{};
+            assert(_nrn_mechanism_get_num_vars(_prop) == 6);
+            /*initialize range parameters*/
+            _ml->template fpfield<0>(_iml) = 10; /* e */
+        }
+        _nrn_mechanism_access_dparam(_prop) = _ppvar;
+    }
+
+
+    /* Point Process specific functions */
+    static void* _hoc_create_pnt(Object* _ho) {
+        return create_point_process(_pointtype, _ho);
+    }
+    static void _hoc_destroy_pnt(void* _vptr) {
+        destroy_point_process(_vptr);
+    }
+    static double _hoc_loc_pnt(void* _vptr) {
+        return loc_point_process(_pointtype, _vptr);
+    }
+    static double _hoc_has_loc(void* _vptr) {
+        return has_loc_point(_vptr);
+    }
+    static double _hoc_get_loc_pnt(void* _vptr) {
+        return (get_loc_point_process(_vptr));
+    }
+    /* Neuron setdata functions */
+    extern void _nrn_setdata_reg(int, void(*)(Prop*));
+    static void _setdata(Prop* _prop) {
+    }
+    static void _hoc_setdata(void* _vptr) {
+        Prop* _prop;
+        _prop = ((Point_process*)_vptr)->prop;
+        _setdata(_prop);
+    }
+    /* Mechanism procedures and functions */
+
+
+    /** connect global (scalar) variables to hoc -- */
+    static DoubScal hoc_scalar_double[] = {
+        {nullptr, nullptr}
+    };
+
+
+    /** connect global (array) variables to hoc -- */
+    static DoubVec hoc_vector_double[] = {
+        {nullptr, nullptr, 0}
+    };
+
+
+    /* declaration of user functions */
+
+
+    /* connect user functions to hoc names */
+    static VoidFunc hoc_intfunc[] = {
+        {0, 0}
+    };
+    static Member_func _member_func[] = {
+        {"loc", _hoc_loc_pnt},
+        {"has_loc", _hoc_has_loc},
+        {"get_loc", _hoc_get_loc_pnt},
+        {0, 0}
+    };
+
+
+    void nrn_init_SnapSyn(_nrn_model_sorted_token const& _sorted_token, NrnThread* _nt, Memb_list* _ml_arg, int _type) {
+        _nrn_mechanism_cache_range _lmr{_sorted_token, *_nt, *_ml_arg, _type};
+        auto inst = make_instance_SnapSyn(_lmr);
+        auto node_data = make_node_data_SnapSyn(*_nt, *_ml_arg);
+        auto nodecount = _ml_arg->nodecount;
+        auto* const _ml = &_lmr;
+        auto* _thread = _ml_arg->_thread;
+        for (int id = 0; id < nodecount; id++) {
+            auto& _ppvar = _ml_arg->pdata[id];
+            inst.g[id] = 0.0;
+        }
+    }
+
+
+    inline double nrn_current_SnapSyn(size_t id, SnapSyn_Instance& inst, SnapSyn_NodeData& node_data, double v) {
+        double current = 0.0;
+        inst.i[id] = inst.g[id] * (v - inst.e[id]);
+        current += inst.i[id];
+        return current;
+    }
+
+
+    /** update current */
+    void nrn_cur_SnapSyn(_nrn_model_sorted_token const& _sorted_token, NrnThread* _nt, Memb_list* _ml_arg, int _type) {
+        _nrn_mechanism_cache_range _lmr{_sorted_token, *_nt, *_ml_arg, _type};
+        auto inst = make_instance_SnapSyn(_lmr);
+        auto node_data = make_node_data_SnapSyn(*_nt, *_ml_arg);
+        auto nodecount = _ml_arg->nodecount;
+        auto* const _ml = &_lmr;
+        auto* _thread = _ml_arg->_thread;
+        for (int id = 0; id < nodecount; id++) {
+            int node_id = node_data.nodeindices[id];
+            double v = node_data.node_voltages[node_id];
+            double I1 = nrn_current_SnapSyn(id, inst, node_data, v+0.001);
+            double I0 = nrn_current_SnapSyn(id, inst, node_data, v);
+            double rhs = I0;
+            double g = (I1-I0)/0.001;
+            double mfactor = 1.e2/(*inst.node_area[id]);
+            g = g*mfactor;
+            rhs = rhs*mfactor;
+            node_data.node_rhs[node_id] -= rhs;
+            // remember the conductances so we can set them later
+            inst.g_unused[id] = g;
+        }
+    }
+
+
+    void nrn_state_SnapSyn(_nrn_model_sorted_token const& _sorted_token, NrnThread* _nt, Memb_list* _ml_arg, int _type) {
+        _nrn_mechanism_cache_range _lmr{_sorted_token, *_nt, *_ml_arg, _type};
+        auto inst = make_instance_SnapSyn(_lmr);
+        auto node_data = make_node_data_SnapSyn(*_nt, *_ml_arg);
+        auto nodecount = _ml_arg->nodecount;
+        auto* const _ml = &_lmr;
+        auto* _thread = _ml_arg->_thread;
+        for (int id = 0; id < nodecount; id++) {
+        }
+    }
+
+
+    /** nrn_jacob function */
+    static void nrn_jacob_SnapSyn(_nrn_model_sorted_token const& _sorted_token, NrnThread* _nt, Memb_list* _ml_arg, int _type) {
+        _nrn_mechanism_cache_range _lmr{_sorted_token, *_nt, *_ml_arg, _type};
+        auto inst = make_instance_SnapSyn(_lmr);
+        auto node_data = make_node_data_SnapSyn(*_nt, *_ml_arg);
+        auto nodecount = _ml_arg->nodecount;
+        for (int id = 0; id < nodecount; id++) {
+            // set conductances properly
+            int node_id = node_data.nodeindices[id];
+            node_data.node_diagonal[node_id] += inst.g_unused[id];
+        }
+    }
+    static void nrn_net_receive_SnapSyn(Point_process* _pnt, double* _args, double _lflag) {
+        _nrn_mechanism_cache_instance _ml_obj{_pnt->prop};
+        auto * _nt = static_cast<NrnThread*>(_pnt->_vnt);
+        auto * _ml = &_ml_obj;
+        auto inst = make_instance_SnapSyn(_ml_obj);
+        size_t id = 0;
+        double t = _nt->_t;
+        inst.g[id] = inst.g[id] + _args[0];
+
+    }
+
+
+    static void _initlists() {
+    }
+
+
+    /** register channel with the simulator */
+    extern "C" void _snapsyn_reg() {
+        _initlists();
+
+
+
+        _pointtype = point_register_mech(mechanism_info, nrn_alloc_SnapSyn, nrn_cur_SnapSyn, nrn_jacob_SnapSyn, nrn_state_SnapSyn, nrn_init_SnapSyn, hoc_nrnpointerindex, 1, _hoc_create_pnt, _hoc_destroy_pnt, _member_func);
+
+        mech_type = nrn_get_mechtype(mechanism_info[1]);
+        _nrn_mechanism_register_data_fields(mech_type,
+            _nrn_mechanism_field<double>{"e"} /* 0 */,
+            _nrn_mechanism_field<double>{"i"} /* 1 */,
+            _nrn_mechanism_field<double>{"g"} /* 2 */,
+            _nrn_mechanism_field<double>{"v_unused"} /* 3 */,
+            _nrn_mechanism_field<double>{"g_unused"} /* 4 */,
+            _nrn_mechanism_field<double>{"tsave"} /* 5 */,
+            _nrn_mechanism_field<double*>{"node_area", "area"} /* 0 */,
+            _nrn_mechanism_field<Point_process*>{"point_process", "pntproc"} /* 1 */
+        );
+
+        hoc_register_prop_size(mech_type, 6, 2);
+        hoc_register_dparam_semantics(mech_type, 0, "area");
+        hoc_register_dparam_semantics(mech_type, 1, "pntproc");
+        hoc_register_var(hoc_scalar_double, hoc_vector_double, hoc_intfunc);
+        pnt_receive[mech_type] = nrn_net_receive_SnapSyn;
+        pnt_receive_size[mech_type] = 1;
+    }
+}