diff --git a/functions/Merge-Ticket.ps1 b/functions/Merge-Ticket.ps1
new file mode 100644
index 0000000..6960fdc
--- /dev/null
+++ b/functions/Merge-Ticket.ps1
@@ -0,0 +1,62 @@
+
+function Merge-Ticket {
+
+    [OutputType([PSCustomObject])]
+    [CMDletBinding(SupportsShouldProcess = $true, ConfirmImpact = 'High')]
+    Param (
+
+        # Unique Id of the ticket or tickets to merge into target ticket
+        [Parameter(Mandatory = $true)]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [Int64[]]
+        $SourceTicketId,
+
+        # Unique Id of the ticket to merge source tickets into.
+        [Parameter(Mandatory = $true)]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [Int64]
+        $TargetTicketId,
+
+        # Private comment to leave on the source tickets.
+        [Parameter(Mandatory = $false)]
+        [ValidateNotNullOrEmpty()]
+        [String]
+        $SourceTicketComment,
+
+        #  Private comment to leave on the target ticket.
+        [Parameter(Mandatory = $false)]
+        [ValidateNotNullOrEmpty()]
+        [String]
+        $TargetTicketComment,
+
+        # Zendesk Connection Context from `Get-ZendeskConnection`
+        [Parameter(Mandatory = $false)]
+        [PSTypeName('ZendeskContext')]
+        [PSCustomObject]
+        $Context = $null
+    )
+
+    if (-not $PSBoundParameters.ContainsKey('SourceTicketComment')) {
+        $SourceTicketComment = "This request was closed and merged into request #$TargetTicketId"
+    }
+
+    if (-not $PSBoundParameters.ContainsKey('TargetTicketComment')) {
+        if ($SourceTicketId.Count -gt 1) {
+            $ids = $SourceTicketId -join ' #'
+            $TargetTicketComment = "Requests #$ids were closed and merged into this request."
+        } else {
+            $TargetTicketComment = "Request #$SourceTicketId was closed and merged into this request."
+        }
+    }
+
+    $path = "/api/v2/tickets/$TargetTicketId/merge.json"
+    $body = @{
+        ids            = $SourceTicketId
+        target_comment = $TargetTicketComment
+        source_comment = $SourceTicketComment
+    }
+
+    $result = Invoke-Method -Context $Context -Method 'Post' -Path $path -Body $body -Verbose:$VerbosePreference
+    $result
+
+}
diff --git a/functions/New-Ticket.ps1 b/functions/New-Ticket.ps1
new file mode 100644
index 0000000..6a2cfa9
--- /dev/null
+++ b/functions/New-Ticket.ps1
@@ -0,0 +1,217 @@
+
+function New-Ticket {
+
+    [OutputType([PSCustomObject])]
+    [CMDletBinding(SupportsShouldProcess = $true, ConfirmImpact = 'High')]
+    Param (
+
+        # The subject of the ticket
+        [Parameter(Mandatory = $false)]
+        [String]
+        $Subject,
+
+        # The dynamic content placeholder
+        [Parameter(Mandatory = $false)]
+        [String]
+        $RawSubject,
+
+        # An object that adds a comment to the ticket.
+        [Parameter(Mandatory = $true)]
+        [PSCustomObject]
+        $Comment,
+
+        # The numeric ID of the user asking for support through the ticket
+        [Parameter(Mandatory = $false)]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [Int64]
+        $RequesterId,
+
+        # The user who submitted the ticket.
+        [Parameter(Mandatory = $false)]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [Int64]
+        $SubmitterId,
+
+        # The numeric ID of the agent to assign the ticket to
+        [Parameter(Mandatory = $false)]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [Int64]
+        $AssigneeId,
+
+        # The email address of the agent to assign the ticket to
+        [Parameter(Mandatory = $false)]
+        [ValidatePattern('@')]
+        [String]
+        $AssigneeEmail,
+
+        # The original recipient e-mail address of the ticket
+        [Parameter(Mandatory = $false)]
+        [ValidatePattern('@')]
+        [String]
+        $RecipientEmail,
+
+        # The numeric ID of the group to assign the ticket to
+        [Parameter(Mandatory = $false)]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [Int64]
+        $GroupId,
+
+        # The numeric ID of the organization to assign the ticket to.
+        [Parameter(Mandatory = $false)]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [Int64]
+        $OrganizationId,
+
+        # An array of the numeric IDs of agents or end-users to CC.
+        [Parameter(Mandatory = $false)]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [Int64]
+        $CollaboratorId,
+
+        # An array of numeric IDs, emails, or objects containing name and email properties.
+        [Parameter(Mandatory = $false)]
+        [Object[]]
+        $Collaborator,
+
+        # An array of objects that represent agent followers to add or delete from the ticket.
+        [Parameter(Mandatory = $false)]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [Int64[]]
+        $FollowerId,
+
+        # An array of objects that represent agent or end users email CCs to add or delete from the ticket.
+        [Parameter(Mandatory = $false)]
+        [Object[]]
+        $EmailCc,
+
+        # Allowed values are problem, incident, question, or task
+        [Parameter(Mandatory = $false)]
+        [ValidateSet('problem', 'incident', 'question', 'task')]
+        [String]
+        $Type,
+
+        # Allowed values are urgent, high, normal, or low
+        [Parameter(Mandatory = $false)]
+        [ValidateSet('urgent', 'high', 'normal', 'low')]
+        [String]
+        $Priority,
+
+        # Allowed values are open, pending, hold, solved or closed
+        [Parameter(Mandatory = $false)]
+        [ValidateSet('new', 'open', 'pending', 'hold', 'solved', 'closed')]
+        $Status,
+
+        # An array of tags to add to the ticket.
+        [Parameter(Mandatory = $false)]
+        [ValidateNotNullOrEmpty()]
+        [String[]]
+        $Tags,
+
+        # An ID to link tickets to local records
+        [Parameter(Mandatory = $false)]
+        [String]
+        $ExternalId,
+
+        # The topic this ticket originated from, if any
+        [Parameter(Mandatory = $false)]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [Int64]
+        $ForumTopicId,
+
+        # The id of a closed ticket when creating a follow-up ticket.
+        [Parameter(Mandatory = $false)]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [Int64]
+        $FollowupId,
+
+        # The id of the ticket form to render for the ticket
+        [Parameter(Mandatory = $false)]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [Int64]
+        $FormId,
+
+        # The id of the brand this ticket is associated with
+        [Parameter(Mandatory = $false)]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [Int64]
+        $BrandId,
+
+        # For tickets of type "incident", the numeric ID of the problem the incident is linked to, if any
+        [Parameter(Mandatory = $false)]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [Int64]
+        $ProblemId,
+
+        # For tickets of type "task", the due date of the task. Accepts the ISO 8601 date format (yyyy-mm-dd)
+        [Parameter(Mandatory = $false)]
+        [DateTime]
+        $DueAt,
+
+        # An array of the custom field objects consisting of ids and values.
+        [Parameter(Mandatory = $false)]
+        [PSCustomObject[]]
+        $CustomFields,
+
+        # An array of macro IDs to be recorded in the ticket audit
+        [Parameter(Mandatory = $false)]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [Int64[]]
+        $MacroId,
+
+        # Zendesk Connection Context from `Get-ZendeskConnection`
+        [Parameter(Mandatory = $false)]
+        [PSTypeName('ZendeskContext')]
+        [PSCustomObject]
+        $Context = $null
+    )
+
+    $path = "/api/v2/tickets.json"
+
+    $body = @{
+        ticket = @{}
+    }
+
+    $map = @{
+        external_id            = 'ExternalId'
+        type                   = 'Type'
+        subject                = 'Subject'
+        raw_subject            = 'RawSubject'
+        comment                = 'Comment'
+        priority               = 'Priority'
+        status                 = 'Status'
+        recipient              = 'RecipientEmail'
+        requester_id           = 'RequesterId'
+        submitter_id           = 'SubmitterId'
+        assignee_id            = 'AssigneeId'
+        assignee               = 'AssigneeEmail'
+        organization_id        = 'OrganizationId'
+        collaborator_ids       = 'CollaboratorId'
+        collaborators          = 'Collaborator'
+        email_cc_ids           = 'EmailCc'
+        follower_ids           = 'FollowerId'
+        forum_topic_id         = 'ForumTopicId'
+        problem_id             = 'ProblemId'
+        due_at                 = 'DueAt'
+        tags                   = 'Tags'
+        custom_fields          = 'CustomFields'
+        via_followup_source_id = 'FollowupId'
+        macro_ids              = 'MacroId'
+        ticket_form_id         = 'FormId'
+        brand_id               = 'BrandId'
+        group_id               = 'GroupId'
+    }
+
+    foreach ($item in $map.GetEnumerator()) {
+        $property = $item.key
+        $parameter = $item.value
+        if ($PSBoundParameters.ContainsKey($parameter)) {
+            $body.ticket[$property] = $PSBoundParameters.$parameter
+        }
+    }
+
+    if ($PSCmdlet.ShouldProcess($Subject, "Create Zendesk Ticket")) {
+        $result = Invoke-Method -Context $Context -Method 'Post' -Path $path -Body $body -Verbose:$VerbosePreference
+        $result
+    }
+
+}
diff --git a/functions/Set-GroupMembershipAsDefault.ps1 b/functions/Set-GroupMembershipAsDefault.ps1
new file mode 100644
index 0000000..11db4fb
--- /dev/null
+++ b/functions/Set-GroupMembershipAsDefault.ps1
@@ -0,0 +1,36 @@
+
+function Set-GroupMembershipAsDefault {
+
+    [OutputType([PSCustomObject])]
+    [CmdletBinding(SupportsShouldProcess = $true, ConfirmImpact = 'High')]
+    Param (
+
+        # Unique Id of User to set default group membership for
+        [Parameter(Mandatory = $true)]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [ValidateNotNullOrEmpty()]
+        [Int64[]]
+        $UserId,
+
+        # Unique Id of group membership to make default
+        [Parameter(Mandatory = $true)]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [ValidateNotNullOrEmpty()]
+        [Int64[]]
+        $MembershipId,
+
+        # Zendesk Connection Context from `Get-ZendeskConnection`
+        [Parameter(Mandatory = $false)]
+        [PSTypeName('ZendeskContext')]
+        [PSCustomObject]
+        $Context = $null
+    )
+
+    $path = "/api/v2/users/$UserId/group_memberships/$MembershipId/make_default.json"
+
+    if ($PSCmdlet.ShouldProcess($UserId, "Set default group: $MembershipId")) {
+        $result = Invoke-Method -Context $Context -Method 'Put' -Path $path -Verbose:$VerbosePreference
+        $result
+    }
+
+}
diff --git a/functions/Set-OrganizationMembershipAsDefault.ps1 b/functions/Set-OrganizationMembershipAsDefault.ps1
new file mode 100644
index 0000000..d1573c9
--- /dev/null
+++ b/functions/Set-OrganizationMembershipAsDefault.ps1
@@ -0,0 +1,36 @@
+
+function Set-OrganizationMembershipAsDefault {
+
+    [OutputType([PSCustomObject])]
+    [CmdletBinding(SupportsShouldProcess = $true, ConfirmImpact = 'High')]
+    Param (
+
+        # Unique Id of user to set default organization for
+        [Parameter(Mandatory = $true)]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [ValidateNotNullOrEmpty()]
+        [Int64[]]
+        $UserId,
+
+        # Unique Id of organization membership to set as default
+        [Parameter(Mandatory = $true)]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [ValidateNotNullOrEmpty()]
+        [Int64[]]
+        $MembershipId,
+
+        # Zendesk Connection Context from `Get-ZendeskConnection`
+        [Parameter(Mandatory = $false)]
+        [PSTypeName('ZendeskContext')]
+        [PSCustomObject]
+        $Context = $null
+    )
+
+    $path = "/api/v2/users/$UserId/organization_memberships/$MembershipId/make_default.json"
+
+    if ($PSCmdlet.ShouldProcess($UserId, "Set default Organization Membership: $MembershipId")) {
+        $result = Invoke-Method -Context $Context -Method 'Put' -Path $path -Verbose:$VerbosePreference
+        $result
+    }
+
+}
diff --git a/functions/Update-Ticket.ps1 b/functions/Update-Ticket.ps1
new file mode 100644
index 0000000..40fb1fa
--- /dev/null
+++ b/functions/Update-Ticket.ps1
@@ -0,0 +1,262 @@
+
+function Update-Ticket {
+
+    [OutputType([PSCustomObject])]
+    [CMDletBinding(SupportsShouldProcess = $true, ConfirmImpact = 'High')]
+    Param (
+
+        # Tickets to update
+        [Parameter(Mandatory = $true,
+            ParameterSetName = 'Object')]
+        [PSCustomObject[]]
+        $Ticket,
+
+        # Ids of tickets to update
+        [Parameter(Mandatory = $true,
+            ParameterSetName = 'Property')]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [Int64[]]
+        $Id,
+
+        # The subject of the ticket
+        [Parameter(Mandatory = $false,
+            ParameterSetName = 'Property')]
+        [String]
+        $Subject,
+
+        # An object that adds a comment to the ticket.
+        [Parameter(Mandatory = $false,
+            ParameterSetName = 'Property')]
+        [PSCustomObject]
+        $Comment,
+
+        # The numeric ID of the user asking for support through the ticket
+        [Parameter(Mandatory = $false,
+            ParameterSetName = 'Property')]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [Int64]
+        $RequesterId,
+
+        # The numeric ID of the agent to assign the ticket to
+        [Parameter(Mandatory = $false,
+            ParameterSetName = 'Property')]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [Int64]
+        $AssigneeId,
+
+        # The email address of the agent to assign the ticket to
+        [Parameter(Mandatory = $false,
+            ParameterSetName = 'Property')]
+        [ValidatePattern('@')]
+        [String]
+        $AssigneeEmail,
+
+        # The numeric ID of the group to assign the ticket to
+        [Parameter(Mandatory = $false,
+            ParameterSetName = 'Property')]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [Int64]
+        $GroupId,
+
+        # The numeric ID of the organization to assign the ticket to.
+        [Parameter(Mandatory = $false,
+            ParameterSetName = 'Property')]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [Int64]
+        $OrganizationId,
+
+        # An array of the numeric IDs of agents or end-users to CC.
+        [Parameter(Mandatory = $false,
+            ParameterSetName = 'Property')]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [Int64]
+        $CollaboratorId,
+
+        # An array of numeric IDs, emails, or objects containing name and email properties.
+        [Parameter(Mandatory = $false,
+            ParameterSetName = 'Property')]
+        [Object[]]
+        $Collaborator,
+
+        # An array of numeric IDs, emails, or objects containing name and email properties.
+        [Parameter(Mandatory = $false,
+            ParameterSetName = 'Property')]
+        [Object[]]
+        $AdditionalCollaborators,
+
+        # An array of objects that represent agent followers to add or delete from the ticket.
+        [Parameter(Mandatory = $false,
+            ParameterSetName = 'Property')]
+        [Object[]]
+        $Followers,
+
+        # An array of objects that represent agent or end users email CCs to add or delete from the ticket.
+        [Parameter(Mandatory = $false,
+            ParameterSetName = 'Property')]
+        [Object[]]
+        $EmailCc,
+
+        # Allowed values are problem, incident, question, or task
+        [Parameter(Mandatory = $false,
+            ParameterSetName = 'Property')]
+        [ValidateSet('problem', 'incident', 'question', 'task')]
+        [String]
+        $Type,
+
+        # Allowed values are urgent, high, normal, or low
+        [Parameter(Mandatory = $false,
+            ParameterSetName = 'Property')]
+        [ValidateSet('urgent', 'high', 'normal', 'low')]
+        [String]
+        $Priority,
+
+        # Allowed values are open, pending, hold, solved or closed
+        [Parameter(Mandatory = $false,
+            ParameterSetName = 'Property')]
+        [ValidateSet('open', 'pending', 'hold', 'solved', 'closed')]
+        $Status,
+
+        # An array of tags to add to the ticket.
+        [Parameter(Mandatory = $false,
+            ParameterSetName = 'Property')]
+        [ValidateNotNullOrEmpty()]
+        [String[]]
+        $Tags,
+
+        # An ID to link tickets to local records
+        [Parameter(Mandatory = $false,
+            ParameterSetName = 'Property')]
+        [String]
+        $ExternalId,
+
+        # For tickets of type "incident", the numeric ID of the problem the incident is linked to, if any
+        [Parameter(Mandatory = $false,
+            ParameterSetName = 'Property')]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [Int64]
+        $ProblemId,
+
+        # For tickets of type "task", the due date of the task. Accepts the ISO 8601 date format (yyyy-mm-dd)
+        [Parameter(Mandatory = $false,
+            ParameterSetName = 'Property')]
+        [DateTime]
+        $DueAt,
+
+        # An array of the custom field objects consisting of ids and values.
+        [Parameter(Mandatory = $false,
+            ParameterSetName = 'Property')]
+        [PSCustomObject[]]
+        $CustomFields,
+
+        # Datetime of last update received from API. See safe_update param
+        [Parameter(Mandatory = $false,
+            ParameterSetName = 'Property')]
+        [String]
+        $UpdatedStamp,
+
+        # Optional boolean. Prevents updates with outdated ticket data (updated_stamp param required when true)
+        [Parameter(Mandatory = $false,
+            ParameterSetName = 'Property')]
+        [Switch]
+        $SafeUpdate,
+
+        # An array of the numeric IDs of sharing agreements.
+        [Parameter(Mandatory = $false,
+            ParameterSetName = 'Property')]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [Int64[]]
+        $SharingAgreementId,
+
+        # An array of macro IDs to be recorded in the ticket audit
+        [Parameter(Mandatory = $false,
+            ParameterSetName = 'Property')]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [Int64[]]
+        $MacroId,
+
+        # An array of the IDs of attribute values to be associated with the ticket
+        [Parameter(Mandatory = $false,
+            ParameterSetName = 'Property')]
+        [ValidateRange(1, [Int64]::MaxValue)]
+        [Int64[]]
+        $AttributeValueId,
+
+        # Zendesk Connection Context from `Get-ZendeskConnection`
+        [Parameter(Mandatory = $false)]
+        [PSTypeName('ZendeskContext')]
+        [PSCustomObject]
+        $Context = $null
+    )
+
+    if ($PSCmdlet.ParameterSetName -eq 'Property') {
+
+        if ($Id.Count -gt 1) {
+            $ids = $Id -join ','
+            $path = "/api/v2/tickets/update_many.json?ids=$ids"
+        } else {
+            $path = "/api/v2/tickets/$id.json"
+        }
+
+        $body = @{
+            ticket = @{}
+        }
+
+        $map = @{
+            subject                  = 'Subject'
+            comment                  = 'Comment'
+            requester_id             = 'RequesterId'
+            assignee_id              = 'AssigneeId'
+            assignee_email           = 'AssigneeEmail'
+            group_id                 = 'GroupId'
+            organization_id          = 'OrganizationId'
+            collaborator_ids         = 'CollaboratorId'
+            collaborators            = 'Collaborator'
+            additional_collaborators = 'AdditionalCollaborators'
+            followers                = 'Followers'
+            email_ccs                = 'EmailCc'
+            type                     = 'Type'
+            priority                 = 'Priority'
+            status                   = 'Status'
+            tags                     = 'Tags'
+            external_id              = 'ExternalId'
+            problem_id               = 'ProblemId'
+            due_at                   = 'DueAt'
+            custom_fields            = 'CustomFields'
+            updated_stamp            = 'UpdatedStamp'
+            safe_update              = 'SafeUpdate'
+            sharing_agreement_ids    = 'SharingAgreementId'
+            macro_ids                = 'MacroId'
+            attribute_value_ids      = 'AttributeValueId'
+        }
+
+        foreach ($item in $map.GetEnumerator()) {
+            $property = $item.key
+            $parameter = $item.value
+            if ($PSBoundParameters.ContainsKey($parameter)) {
+                $body.ticket[$property] = $PSBoundParameters.$parameter
+            }
+        }
+
+    } else {
+
+        if ($Ticket.count -gt 1) {
+            $path = '/api/v2/tickets/update_many.json'
+            $body = @{
+                tickets = $Ticket
+            }
+        } else {
+            $id = $Ticket.id
+            $path = "/api/v2/tickets/$id.json"
+            $body = @{
+                ticket = $Ticket[0]
+            }
+        }
+
+    }
+
+    if ($PSCmdlet.ShouldProcess('Update Ticket')) {
+        $result = Invoke-Method -Context $Context -Method 'Put' -Path $path -Body $body -Verbose:$VerbosePreference
+        $result
+    }
+
+}