diff --git a/lua/symbols-outline.lua b/lua/symbols-outline.lua
index b9e7559..b1c75d9 100644
--- a/lua/symbols-outline.lua
+++ b/lua/symbols-outline.lua
@@ -195,6 +195,9 @@ local function setup_keymaps(bufnr)
     -- hover symbol
     nmap(config.options.keymaps.hover_symbol,
          ":lua require('symbols-outline.hover').show_hover()<Cr>")
+    -- preview symbol
+    nmap(config.options.keymaps.preview_symbol,
+         ":lua require('symbols-outline.preview').show()<Cr>")
     -- rename symbol
     nmap(config.options.keymaps.rename_symbol,
          ":lua require('symbols-outline.rename').rename()<Cr>")
diff --git a/lua/symbols-outline/config.lua b/lua/symbols-outline/config.lua
index 8ff1b8d..27a7029 100644
--- a/lua/symbols-outline/config.lua
+++ b/lua/symbols-outline/config.lua
@@ -16,6 +16,7 @@ local defaults = {
         goto_location = "<Cr>",
         focus_location = "o",
         hover_symbol = "<C-space>",
+        preview_symbol = "K",
         rename_symbol = "r",
         code_actions = "a"
     },