[Baertram]

RequestJumpToHouse(GetHousingPrimaryHouse(), false)

true if jump inside

Can be found by inspecting the button at your collections where you can show the menu to jump in/outisde your house e.g. move the mouse above and use /zgoo mouse or merTorchbug /tbm to show the name of the control.
ZO_HousingBook_KeyboardContentsHousingInteractButtonsTravelToHouse
Then search the end of the name "TravelToHouse" in the ESOUI sources and you'll find the ShowMenu (shows the context menu) call in function HousingBook_Keyboard:RequestJumpToCurrentHouse():

function HousingBook_Keyboard:RequestJumpToCurrentHouse()
    local collectibleData = self.navigationTree:GetSelectedData()
    if collectibleData then
        local houseId = collectibleData:GetReferenceId()
        if collectibleData:IsLocked() then
            -- Preview, behavior will always be inside
            RequestJumpToHouse(houseId)
            SCENE_MANAGER:ShowBaseScene()
        else
            ClearMenu()
 
            AddMenuItem(GetString(SI_HOUSING_BOOK_ACTION_TRAVEL_TO_HOUSE_INSIDE), function()
                local TRAVEL_INSIDE = false
                RequestJumpToHouse(houseId, TRAVEL_INSIDE)
                SCENE_MANAGER:ShowBaseScene()
            end)
            AddMenuItem(GetString(SI_HOUSING_BOOK_ACTION_TRAVEL_TO_HOUSE_OUTSIDE), function()
                local TRAVEL_OUTSIDE = true
                RequestJumpToHouse(houseId, TRAVEL_OUTSIDE)
                SCENE_MANAGER:ShowBaseScene()
            end)
 
            ShowMenu(self.travelToHouseButton)
        end
    end
end