@startuml
hide footbox
skinparam backgroundColor #EEEBDC
skinparam handwritten false

skinparam sequenceArrowThickness 1

skinparam sequence {
ArrowColor DeepSkyBlue
ArrowFontName Verdana
ArrowFontSize 12
NoteFontName Verdana
NoteFontSize 14
ActorBorderColor DeepSkyBlue
LifeLineBorderColor blue
LifeLineBackgroundColor #A9DCDF

ParticipantBorderColor #LightBlue
ParticipantBackgroundColor DodgerBlue
ParticipantFontName Verdana
ParticipantFontSize 13
ParticipantFontColor #A9DCDF

ActorBackgroundColor DeepSkyBlue
' ActorFontColor DeepSkyBlue
ActorFontSize 13
ActorFontName Verdana
EntityFontSize 13
EntityFontName Verdana
BoxFontSize 20
BoxFontName Verdana
}

participant "**Client**" as C
box "AIP"
participant "**STAC API**" as S
end box
box "LTA"
participant "**Notifications**\n **Process**" as P
entity "**Message broker**\n **stream**" as B
end box
activate B
C -> B: Subscribe to Stream\n with filtering
loop Periodic monitoring
  P -> S: Verify product matching
  alt products found
    P -> B: Publish message\nfor subscription ID
    B --> C: Push notification\nmessage
  end
end
@enduml