@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 "**API Processes**" as P
participant "**STAC API**" as S
end box
box "LTA"
participant "**Subscription management**\n **Process**" as O
end box

C -> P: Execute subscriptionCreate
P -> S: Validate search filter
S --> P: Query result
alt Valid query
  P -> O: Create new subscription
  O --> P: Subscription created
  P --> C: Subscription ID
else Invalid query
  P --> C: Subsciption creation\n failed
end

@enduml