diff --git a/7.-Example-Custom-Plugins.md b/7.-Example-Custom-Plugins.md
index e732911..6e5375f 100644
--- a/7.-Example-Custom-Plugins.md
+++ b/7.-Example-Custom-Plugins.md
@@ -3138,4 +3138,101 @@ return {
     end, { desc = "Format file or range (in visual mode)" })
   end,
 }
+```
+# Custem Config Nvim-lint
+```lua
+return {
+  "mfussenegger/nvim-lint",
+  event = { "BufReadPre", "BufNewFile" },
+  opts = function()
+    local mason_reg = require("mason-registry")
+
+    local linters_by_ft = {}
+
+    -- add diff langue vs filetype
+    local keymap = {
+      ["c++"] = "cpp",
+      ["c#"] = "cs",
+    }
+
+    -- add dif conform vs mason
+    local name_map = {
+      ["actionlint"] = "actionlint",
+      ["ansible_lint"] = "ansible_lint",
+      ["buf"] = "buf_lint",
+      ["buildifier"] = "buildifier",
+      ["cfn-lint"] = "cfn_lint",
+      ["checkstyle"] = "checkstyle",
+      ["clj-kondo"] = "clj_kondo",
+      ["cmakelint"] = "cmakelint",
+      ["codespell"] = "codespell",
+      ["cpplint"] = "cpplint",
+      ["cspell"] = "cspell",
+      ["curlylint"] = "curlylint",
+      ["djlint"] = "djlint",
+      ["erb-lint"] = "erb_lint",
+      ["eslint_d"] = "eslint_d",
+      ["flake8"] = "flake8",
+      ["gdtoolkit"] = "gdlint",
+      ["golangci-lint"] = "golangcilint",
+      ["hadolint"] = "hadolint",
+      ["jsonlint"] = "jsonlint",
+      ["ktlint"] = "ktlint",
+      ["luacheck"] = "luacheck",
+      ["markdownlint"] = "markdownlint",
+      ["mypy"] = "mypy",
+      ["phpcs"] = "phpcs",
+      ["phpmd"] = "phpmd",
+      ["phpstan"] = "phpstan",
+      ["proselint"] = "proselint",
+      ["pydocstyle"] = "pydocstyle",
+      ["pylint"] = "pylint",
+      ["revive"] = "revive",
+      ["rstcheck"] = "rstcheck",
+      ["rubocop"] = "rubocop",
+      ["ruff"] = "ruff",
+      ["selene"] = "selene",
+      ["shellcheck"] = "shellcheck",
+      ["sqlfluff"] = "sqlfluff",
+      ["standardrb"] = "standardrb",
+      ["stylelint"] = "stylelint",
+      ["solhint"] = "solhint",
+      ["tflint"] = "tflint",
+      ["tfsec"] = "tfsec",
+      ["trivy"] = "trivy",
+      ["vale"] = "vale",
+      ["vint"] = "vint",
+      ["vulture"] = "vulture",
+      ["yamllint"] = "yamllint",
+    }
+
+    for _, pkg in pairs(mason_reg.get_installed_packages()) do
+      for _, type in pairs(pkg.spec.categories) do
+        -- only act upon a formatter
+        if type == "Linter" then
+          -- finally add the formatter to it's compatible filetype(s)
+          for _, ft in pairs(pkg.spec.languages) do
+            local ftl = string.lower(ft)
+            local ready = mason_reg.get_package(pkg.spec.name):is_installed()
+            if ready then
+              if keymap[ftl] ~= nil then
+                ftl = keymap[ftl]
+              end
+              if name_map[pkg.spec.name] ~= nil then
+                pkg.spec.name = name_map[pkg.spec.name]
+              end
+              linters_by_ft[ftl] = linters_by_ft[ftl] or {}
+              table.insert(linters_by_ft[ftl], pkg.spec.name)
+            end
+          end
+        end
+      end
+    end
+
+    return linters_by_ft
+  end,
+  config = function(_, opts)
+    require("lint").linters_by_ft = opts.linters_by_ft
+  end,
+}
 ```
\ No newline at end of file