diff --git a/libraries/AP_Scripting/docs/docs.lua b/libraries/AP_Scripting/docs/docs.lua
index b88227fdbbfaf..e1560bbd8e4e6 100644
--- a/libraries/AP_Scripting/docs/docs.lua
+++ b/libraries/AP_Scripting/docs/docs.lua
@@ -2312,6 +2312,10 @@ function gcs:get_high_latency_status() end
 ---@param text string
 function gcs:send_text(severity, text) end
 
+-- Return the system time when a gcs with id of SYSID_MYGCS was last seen
+---@return uint32_t_ud -- system time in milliseconds
+function gcs:last_seen() end
+
 -- desc
 ---@class relay
 relay = {}
diff --git a/libraries/AP_Scripting/generator/description/bindings.desc b/libraries/AP_Scripting/generator/description/bindings.desc
index 69a2d1f27f347..038db48be8b99 100644
--- a/libraries/AP_Scripting/generator/description/bindings.desc
+++ b/libraries/AP_Scripting/generator/description/bindings.desc
@@ -248,6 +248,8 @@ singleton GCS method set_message_interval MAV_RESULT'enum uint8_t 0 MAVLINK_COMM
 singleton GCS method send_named_float void string float'skip_check
 singleton GCS method frame_type MAV_TYPE'enum
 singleton GCS method get_hud_throttle int16_t
+singleton GCS method sysid_myggcs_last_seen_time_ms uint32_t
+singleton GCS method sysid_myggcs_last_seen_time_ms rename last_seen
 
 singleton GCS method get_high_latency_status boolean
 singleton GCS method get_high_latency_status depends HAL_HIGH_LATENCY2_ENABLED == 1