diff --git a/decode.go b/decode.go
index a26cb45..428f517 100644
--- a/decode.go
+++ b/decode.go
@@ -7,6 +7,7 @@ import (
 	"strings"
 )
 
+// Unmarshal parses the 'field-fmt' formatted data and stores the result in the value pointed to by out.
 func Unmarshal(data string, out interface{}) error {
 	data = strings.Trim(data, "\n")
 
diff --git a/node.go b/node.go
index e09d36c..50396e3 100644
--- a/node.go
+++ b/node.go
@@ -5,6 +5,7 @@ import (
 	"strings"
 )
 
+// Node contains information about each node
 type Node struct {
 	Name          string `ltm:"name"`
 	Addr          string `ltm:"addr"`
@@ -13,6 +14,7 @@ type Node struct {
 	EnabledState  string `ltm:"status.enabled-state"`
 }
 
+// GetAllNodes returns a list of all nodes.
 func (bigip *BigIP) GetAllNodes() ([]Node, error) {
 	ret, err := bigip.ExecuteCommand("show ltm node field-fmt")
 	if err != nil {
@@ -31,6 +33,7 @@ func (bigip *BigIP) GetAllNodes() ([]Node, error) {
 	return nodes, nil
 }
 
+// GetNode gets a node by name. Return nil if the node does not exist.
 func (bigip *BigIP) GetNode(name string) (*Node, error) {
 	ret, _ := bigip.ExecuteCommand("show ltm node " + name + " field-fmt")
 	if strings.Contains(ret, "was not found.") {
@@ -45,6 +48,7 @@ func (bigip *BigIP) GetNode(name string) (*Node, error) {
 	return &node, nil
 }
 
+// CreateNode creates a new node.
 func (bigip *BigIP) CreateNode(name, ipaddr string) error {
 	ret, _ := bigip.ExecuteCommand("create ltm node " + name + " address " + ipaddr)
 	if ret != "" {
@@ -53,6 +57,7 @@ func (bigip *BigIP) CreateNode(name, ipaddr string) error {
 	return nil
 }
 
+// DeleteNode removes a node.
 func (bigip *BigIP) DeleteNode(name string) error {
 	ret, _ := bigip.ExecuteCommand("delete ltm node " + name)
 	if ret != "" {
@@ -61,6 +66,7 @@ func (bigip *BigIP) DeleteNode(name string) error {
 	return nil
 }
 
+// EnableNode changes the status of a node to enable.
 func (bigip *BigIP) EnableNode(name string) error {
 	ret, _ := bigip.ExecuteCommand("modify ltm node " + name + " session user-enabled")
 	if ret != "" {
@@ -69,6 +75,7 @@ func (bigip *BigIP) EnableNode(name string) error {
 	return nil
 }
 
+// DisableNode changes the status of a node to disable.
 func (bigip *BigIP) DisableNode(name string) error {
 	ret, _ := bigip.ExecuteCommand("modify ltm node " + name + " session user-disabled")
 	if ret != "" {
diff --git a/pool.go b/pool.go
index 4b0c6ac..f63bbaa 100644
--- a/pool.go
+++ b/pool.go
@@ -6,6 +6,7 @@ import (
 	"strings"
 )
 
+// Pool contains information about each Pool
 type Pool struct {
 	ActiveMemberCount int          `ltm:"active-member-cnt"`
 	Name              string       `ltm:"name"`
@@ -16,6 +17,7 @@ type Pool struct {
 	PoolMembers       []PoolMember `ltm:"members"`
 }
 
+// Pool contains information about each pool member in a pool
 type PoolMember struct {
 	Name              string `ltm:"node-name"`
 	Addr              string `ltm:"addr"`
@@ -27,6 +29,7 @@ type PoolMember struct {
 	StatusReason      string `ltm:"status.status-reason"`
 }
 
+// GetAllPools returns a list of all pools
 func (bigip *BigIP) GetAllPools() ([]Pool, error) {
 	ret, err := bigip.ExecuteCommand("show ltm pool members field-fmt")
 	if err != nil {
@@ -45,6 +48,7 @@ func (bigip *BigIP) GetAllPools() ([]Pool, error) {
 	return pools, nil
 }
 
+// GetPool gets a pool by name. Return nil if the pool does not exist.
 func (bigip *BigIP) GetPool(name string) (*Pool, error) {
 	ret, _ := bigip.ExecuteCommand("show ltm pool " + name + " members field-fmt")
 	if strings.Contains(ret, "was not found.") {
@@ -59,6 +63,7 @@ func (bigip *BigIP) GetPool(name string) (*Pool, error) {
 	return &pool, nil
 }
 
+// CreatePool creates a new pool.
 func (bigip *BigIP) CreatePool(name string) error {
 	ret, _ := bigip.ExecuteCommand("create ltm pool " + name)
 	if ret != "" {
@@ -67,6 +72,7 @@ func (bigip *BigIP) CreatePool(name string) error {
 	return nil
 }
 
+// DeletePool removes a pool.
 func (bigip *BigIP) DeletePool(name string) error {
 	ret, _ := bigip.ExecuteCommand("delete ltm pool " + name)
 	if ret != "" {
@@ -75,6 +81,7 @@ func (bigip *BigIP) DeletePool(name string) error {
 	return nil
 }
 
+// DeletePoolMember adds a monitor to pool.
 func (bigip *BigIP) AddMonitorToPool(poolName, monitorName string) error {
 	ret, _ := bigip.ExecuteCommand("modify ltm pool " + poolName + " monitor '" + monitorName + "'")
 	if ret != "" {
@@ -83,6 +90,7 @@ func (bigip *BigIP) AddMonitorToPool(poolName, monitorName string) error {
 	return nil
 }
 
+// DeletePoolMember adds a new pool member.
 func (bigip *BigIP) AddPoolMember(poolName, nodeName, monitorName string, port int) error {
 	member := nodeName + ":" + strconv.Itoa(port)
 	cmd := "modify ltm pool " + poolName + " members add { " + member + " } monitor '" + monitorName + "'"
@@ -93,6 +101,7 @@ func (bigip *BigIP) AddPoolMember(poolName, nodeName, monitorName string, port i
 	return nil
 }
 
+// DeletePoolMember removes a pool member.
 func (bigip *BigIP) DeletePoolMember(poolName, nodeName string, port int) error {
 	member := nodeName + ":" + strconv.Itoa(port)
 	cmd := "modify ltm pool " + poolName + " members delete { " + member + " }"
@@ -103,6 +112,7 @@ func (bigip *BigIP) DeletePoolMember(poolName, nodeName string, port int) error
 	return nil
 }
 
+// EnablePoolMember changes the status of pool member to enable.
 func (bigip *BigIP) EnablePoolMember(poolName, nodeName string, port int) error {
 	member := nodeName + ":" + strconv.Itoa(port)
 	cmd := "modify ltm pool " + poolName + " members modify { " + member + " { session user-enabled } }"
@@ -113,6 +123,7 @@ func (bigip *BigIP) EnablePoolMember(poolName, nodeName string, port int) error
 	return nil
 }
 
+// DisablePoolMember changes the status of pool member to disable.
 func (bigip *BigIP) DisablePoolMember(poolName, nodeName string, port int) error {
 	member := nodeName + ":" + strconv.Itoa(port)
 	cmd := "modify ltm pool " + poolName + " members modify { " + member + " { session user-disabled } }"
diff --git a/tmsh.go b/tmsh.go
index 41a6f27..e004c35 100644
--- a/tmsh.go
+++ b/tmsh.go
@@ -7,12 +7,14 @@ import (
 	"strings"
 )
 
+// BigIP is a struct for session state
 type BigIP struct {
 	host    string
 	user    string
 	sshconn SSH
 }
 
+// NewSession sets up new SSH session to BIG-IP TMSH
 func NewSession(host, port, user, password string) (*BigIP, error) {
 	sshconn, err := newSSHConnection(host+":"+port, user, password)
 	if err != nil {
@@ -46,6 +48,7 @@ func NewSession(host, port, user, password string) (*BigIP, error) {
 	return bigip, nil
 }
 
+// ExecuteCommand is used to execute any TMSH commands
 func (bigip *BigIP) ExecuteCommand(cmd string) (string, error) {
 	promptSuffix := "# "
 
@@ -81,6 +84,7 @@ func (bigip *BigIP) ExecuteCommand(cmd string) (string, error) {
 	return strings.Join(lines, "\n"), nil
 }
 
+// Save is used to execute 'save /sys config' command
 func (bigip *BigIP) Save() error {
 	ret, err := bigip.ExecuteCommand("save /sys config current-partition")
 	if err != nil {
@@ -101,6 +105,7 @@ func (bigip *BigIP) Save() error {
 	return nil
 }
 
+// Close is used to close SSH session
 func (bigip *BigIP) Close() {
 	bigip.sshconn.Close()
 }
diff --git a/virtualserver.go b/virtualserver.go
index 85f336e..db65d2b 100644
--- a/virtualserver.go
+++ b/virtualserver.go
@@ -6,6 +6,7 @@ import (
 	"strings"
 )
 
+// VirtualServer contains information about each virtual server
 type VirtualServer struct {
 	Name        string             `ltm:"name"`
 	Destination string             `ltm:"destination"`
@@ -20,6 +21,7 @@ type Profile struct {
 	Context string `ltm:"context"`
 }
 
+// GetAllVirtualServers returns a list of all virtual servers
 func (bigip *BigIP) GetAllVirtualServers() ([]VirtualServer, error) {
 	ret, err := bigip.ExecuteCommand("list ltm virtual all-properties")
 	if err != nil {
@@ -38,6 +40,7 @@ func (bigip *BigIP) GetAllVirtualServers() ([]VirtualServer, error) {
 	return vss, nil
 }
 
+// GetVirtualServer gets a virtual server by name. Rerutn nil if the virtual server does not found.
 func (bigip *BigIP) GetVirtualServer(name string) (*VirtualServer, error) {
 	ret, _ := bigip.ExecuteCommand("list ltm virtual " + name)
 	if strings.Contains(ret, "was not found.") {
@@ -52,6 +55,7 @@ func (bigip *BigIP) GetVirtualServer(name string) (*VirtualServer, error) {
 	return &vs, nil
 }
 
+// CreateVirtualServer creates a virtual server.
 func (bigip *BigIP) CreateVirtualServer(vsName, poolName, targetVIP, defaultProfileName string, targetPort int) error {
 	destination := targetVIP + ":" + strconv.Itoa(targetPort)
 	cmd := "create ltm virtual " + vsName + " { destination " + destination + " ip-protocol tcp mask 255.255.255.255 pool " + poolName + " profiles add { " + defaultProfileName + " } }"
@@ -62,6 +66,7 @@ func (bigip *BigIP) CreateVirtualServer(vsName, poolName, targetVIP, defaultProf
 	return nil
 }
 
+// DeleteVirtualServer removes a virtual server.
 func (bigip *BigIP) DeleteVirtualServer(vsName string) error {
 	ret, _ := bigip.ExecuteCommand("delete ltm virtual " + vsName)
 	if ret != "" {
@@ -70,6 +75,7 @@ func (bigip *BigIP) DeleteVirtualServer(vsName string) error {
 	return nil
 }
 
+// AddVirtualServerProfile adds a profile to a virtual server.
 func (bigip *BigIP) AddVirtualServerProfile(vsName, profileName, context string) error {
 	cmd := "modify ltm virtual " + vsName + " profiles add { " + profileName + " { context " + context + " } }"
 	ret, _ := bigip.ExecuteCommand(cmd)
@@ -79,6 +85,7 @@ func (bigip *BigIP) AddVirtualServerProfile(vsName, profileName, context string)
 	return nil
 }
 
+// DeleteVirtualServerProfile removes a profile from a virtual server.
 func (bigip *BigIP) DeleteVirtualServerProfile(vsName, profileName, context string) error {
 	cmd := "modify ltm virtual " + vsName + " profiles delete { " + profileName + " }"
 	ret, _ := bigip.ExecuteCommand(cmd)
@@ -88,6 +95,7 @@ func (bigip *BigIP) DeleteVirtualServerProfile(vsName, profileName, context stri
 	return nil
 }
 
+// ApplyPolicyToVirtualServer applies a policy to a virtual server.
 func (bigip *BigIP) ApplyPolicyToVirtualServer(vsName, policyName string) error {
 	cmd := "modify ltm virtual " + vsName + " fw-enforced-policy " + policyName
 	ret, _ := bigip.ExecuteCommand(cmd)