Sequence/Dynamic diagram - simplify to "one" Rel() call; add layout option SHOW_INDEX()

C4.puml

@@ -1293,6 +1293,57 @@ rectangle "$getBoundary($label, $type)" $toStereos("boundary", $boundaryTags) as
 ' Boundary Styling
 UpdateBoundaryStyle("", $bgColor=$BOUNDARY_BG_COLOR, $fontColor=$BOUNDARY_COLOR, $borderColor=$BOUNDARY_COLOR)
 
+' Index
+' ##################################
+
+' Dynamic/Sequence diagram supports (automatically) numbered interactions:
+'     preferred function calls
+'     (Uppercase) LastIndex(): return the last used index (function which can be used as argument)
+'     (Uppercase) Index($offset=1): returns current index and calculates next index (function which can be used as argument)
+'     (Uppercase) SetIndex($new_index): returns new set index and calculates next index (function which can be used as argument)
+
+'     old procedures calls
+'     (lowercase) increment($offset=1): increase current index (procedure which has no direct output)
+'     (lowercase) setIndex($new_index): set the new index (procedure which has no direct output)
+
+!$lastIndex = 0
+!$index = 1
+
+!procedure increment($offset=1)
+  !$lastIndex = $index
+  !$index = $index + $offset
+!endprocedure
+
+!procedure setIndex($new_index)
+  !$lastIndex = $index
+  !$index = $new_index
+!endprocedure
+
+!function Index($offset=1)
+  !$lastIndex = $index
+  !$index = $lastIndex + $offset
+  !return $lastIndex
+!endfunction
+
+!function LastIndex()
+  !return $lastIndex
+!endfunction
+
+!function SetIndex($new_index, $offset=1)
+  !$lastIndex = $new_index
+  !$index = $new_index + $offset
+  !return $lastIndex
+!endfunction
+
+!unquoted function $getPrefix($index)
+  !if ($index == "")
+    !$pre = Index() + ": "
+  !else
+    !$pre = $index + ": "
+  !endif
+  !return $pre
+!endfunction
+
 ' Relationship
 ' ##################################
 

C4_Dynamic.puml

@@ -20,38 +20,6 @@
 '     (Uppercase) Index($offset=1): returns current index and calculates next index (function which can be used as argument)
 '     (Uppercase) SetIndex($new_index): returns new set index and calculates next index (function which can be used as argument)
 
-' Index
-' ##################################
-
-!$lastIndex = 0
-!$index = 1
-
-!procedure increment($offset=1)
-  !$lastIndex = $index
-  !$index = $index + $offset
-!endprocedure
-
-!procedure setIndex($new_index)
-  !$lastIndex = $index
-  !$index = $new_index
-!endprocedure
-
-!function Index($offset=1)
-  !$lastIndex = $index
-  !$index = $lastIndex + $offset
-  !return $lastIndex
-!endfunction
-
-!function LastIndex()
-  !return $lastIndex
-!endfunction
-
-!function SetIndex($new_index, $offset=1)
-  !$lastIndex = $new_index
-  !$index = $new_index + $offset
-  !return $lastIndex
-!endfunction
-
 ' Relationship override
 ' ##################################
 
@@ -65,39 +33,47 @@ $getRel($direction, $alias1, $alias2, $e_index + ": " + $label, "", "", "", "",
 $getRel($direction, $alias1, $alias2, $e_index + ": " + $label, $techn, "", "", "", "")
 !endprocedure
 
-!unquoted procedure Rel($from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="")
-$getRel("-->>", $from, $to, Index() + ": " + $label, $techn, $descr, $sprite, $tags, $link)
+' all RelIndex... calls are outdated, Rel(..., $index=...) calls should be used !!!!
+
+!unquoted procedure Rel($from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="", $index="")
+!$pre = $getPrefix($index)
+$getRel("-->>", $from, $to, $pre + $label, $techn, $descr, $sprite, $tags, $link)
 !endprocedure
 !unquoted procedure RelIndex($e_index, $from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="")
 $getRel("-->>", $from, $to, $e_index + ": " + $label, $techn, $descr, $sprite, $tags, $link)
 !endprocedure
 
-!unquoted procedure Rel_Back($from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="")
-$getRel("<<--", $from, $to, Index() + ": " + $label, $techn, $descr, $sprite, $tags, $link)
+!unquoted procedure Rel_Back($from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="", $index="")
+!$pre = $getPrefix($index)
+$getRel("<<--", $from, $to, $pre + $label, $techn, $descr, $sprite, $tags, $link)
 !endprocedure
 !unquoted procedure RelIndex_Back($e_index, $from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="")
 $getRel("<<--", $from, $to, $e_index + ": " + $label, $techn, $descr, $sprite, $tags, $link)
 !endprocedure
 
-!unquoted procedure Rel_Neighbor($from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="")
-$getRel("->>", $from, $to, Index() + ": " + $label, $techn, $descr, $sprite, $tags, $link)
+!unquoted procedure Rel_Neighbor($from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="", $index="")
+!$pre = $getPrefix($index)
+$getRel("->>", $from, $to, $pre + $label, $techn, $descr, $sprite, $tags, $link)
 !endprocedure
 !unquoted procedure RelIndex_Neighbor($e_index, $from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="")
 $getRel("->>", $from, $to, $e_index + ": " + $label, $techn, $descr, $sprite, $tags, $link)
 !endprocedure
 
-!unquoted procedure Rel_Back_Neighbor($from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="")
-$getRel("<<-", $from, $to, Index() + ": " + $label, $techn, $descr, $sprite, $tags, $link)
+!unquoted procedure Rel_Back_Neighbor($from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="", $index="")
+!$pre = $getPrefix($index)
+$getRel("<<-", $from, $to, $pre + $label, $techn, $descr, $sprite, $tags, $link)
 !endprocedure
 !unquoted procedure RelIndex_Back_Neighbor($e_index, $from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="")
 $getRel("<<-", $from, $to, $e_index + ": " + $label, $techn, $descr, $sprite, $tags, $link)
 !endprocedure
 
-!unquoted procedure Rel_D($from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="")
-$getRel($down("-","->>"), $from, $to, Index() + ": " + $label, $techn, $descr, $sprite, $tags, $link)
+!unquoted procedure Rel_D($from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="", $index="")
+!$pre = $getPrefix($index)
+$getRel($down("-","->>"), $from, $to, $pre + $label, $techn, $descr, $sprite, $tags, $link)
 !endprocedure
-!unquoted procedure Rel_Down($from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="")
-$getRel($down("-","->>"), $from, $to, Index() + ": " + $label, $techn, $descr, $sprite, $tags, $link)
+!unquoted procedure Rel_Down($from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="", $index="")
+!$pre = $getPrefix($index)
+$getRel($down("-","->>"), $from, $to, $pre + $label, $techn, $descr, $sprite, $tags, $link)
 !endprocedure
 !unquoted procedure RelIndex_D($e_index, $from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="")
 $getRel($down("-","->>"), $from, $to, $e_index + ": " + $label, $techn, $descr, $sprite, $tags, $link)
@@ -106,11 +82,13 @@ $getRel($down("-","->>"), $from, $to, $e_index + ": " + $label, $techn, $descr,
 $getRel($down("-","->>"), $from, $to, $e_index + ": " + $label, $techn, $descr, $sprite, $tags, $link)
 !endprocedure
 
-!unquoted procedure Rel_U($from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="")
-$getRel($up("-","->>"), $from, $to, Index() + ": " + $label, $techn, $descr, $sprite, $tags, $link)
+!unquoted procedure Rel_U($from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="", $index="")
+!$pre = $getPrefix($index)
+$getRel($up("-","->>"), $from, $to, $pre + $label, $techn, $descr, $sprite, $tags, $link)
 !endprocedure
-!unquoted procedure Rel_Up($from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="")
-$getRel($up("-","->>"), $from, $to, Index() + ": " + $label, $techn, $descr, $sprite, $tags, $link)
+!unquoted procedure Rel_Up($from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="", $index="")
+!$pre = $getPrefix($index)
+$getRel($up("-","->>"), $from, $to, $pre + $label, $techn, $descr, $sprite, $tags, $link)
 !endprocedure
 !unquoted procedure RelIndex_U($e_index, $from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="")
 $getRel($up("-","->>"), $from, $to, $e_index + ": " + $label, $techn, $descr, $sprite, $tags, $link)
@@ -119,11 +97,13 @@ $getRel($up("-","->>"), $from, $to, $e_index + ": " + $label, $techn, $descr, $s
 $getRel($up("-","->>"), $from, $to, $e_index + ": " + $label, $techn, $descr, $sprite, $tags, $link)
 !endprocedure
 
-!unquoted procedure Rel_L($from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="")
-$getRel($left("-","->>"), $from, $to, Index() + ": " + $label, $techn, $descr, $sprite, $tags, $link)
+!unquoted procedure Rel_L($from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="", $index="")
+!$pre = $getPrefix($index)
+$getRel($left("-","->>"), $from, $to, $pre + $label, $techn, $descr, $sprite, $tags, $link)
 !endprocedure
 !unquoted procedure Rel_Left($from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="")
-$getRel($left("-","->>"), $from, $to, Index() + ": " + $label, $techn, $descr, $sprite, $tags, $link)
+!$pre = $getPrefix($index)
+$getRel($left("-","->>"), $from, $to, $pre + $label, $techn, $descr, $sprite, $tags, $link, $index="")
 !endprocedure
 !unquoted procedure RelIndex_L($e_index, $from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="")
 $getRel($left("-","->>"), $from, $to, $e_index + ": " + $label, $techn, $descr, $sprite, $tags, $link)
@@ -132,11 +112,13 @@ $getRel($left("-","->>"), $from, $to, $e_index + ": " + $label, $techn, $descr,
 $getRel($left("-","->>"), $from, $to, $e_index + ": " + $label, $techn, $descr, $sprite, $tags, $link)
 !endprocedure
 
-!unquoted procedure Rel_R($from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="")
-$getRel($right("-","->>"), $from, $to, Index() + ": " + $label, $techn, $descr, $sprite, $tags, $link)
+!unquoted procedure Rel_R($from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="", $index="")
+!$pre = $getPrefix($index)
+$getRel($right("-","->>"), $from, $to, $pre + $label, $techn, $descr, $sprite, $tags, $link)
 !endprocedure
-!unquoted procedure Rel_Right($from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="")
-$getRel($right("-","->>"), $from, $to, Index() + ": " + $label, $techn, $descr, $sprite, $tags, $link)
+!unquoted procedure Rel_Right($from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="", $index="")
+!$pre = $getPrefix($index)
+$getRel($right("-","->>"), $from, $to, $pre + $label, $techn, $descr, $sprite, $tags, $link)
 !endprocedure
 !unquoted procedure RelIndex_R($e_index, $from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="")
 $getRel($right("-","->>"), $from, $to, $e_index + ": " + $label, $techn, $descr, $sprite, $tags, $link)

C4_Sequence.puml

@@ -61,6 +61,16 @@ UpdateBoundaryStyle("container", $bgColor=$CONTAINER_BOUNDARY_BG_COLOR, $fontCol
 !endif
 !endprocedure
 
+!global $show_index = %false()
+' All relation specific (default) ordinary index numbers can be shown with this call
+!unquoted procedure SHOW_INDEX($show="true")
+!if ($show == "true")
+  !global $show_index = %true()
+!else
+  !global $show_index = %false()
+!endif
+!endprocedure
+
 ' ======= if no theme is defined hide foot box and activate C4_blue styles
 !if (%variable_exists("$THEME"))
 !else
@@ -365,55 +375,20 @@ end box
   Boundary($alias, $label, "", $allTags, $link)
 !endprocedure
 
-
-' Index
-' ##################################
-
-!$lastIndex = 0
-!$index = 1
-
-!procedure increment($offset=1)
-  !$lastIndex = $index
-  !$index = $index + $offset
-!endprocedure
-
-!procedure setIndex($new_index)
-  !$lastIndex = $index
-  !$index = $new_index
-!endprocedure
-
-!function Index($offset=1)
-  !$lastIndex = $index
-  !$index = $lastIndex + $offset
-  !return $lastIndex
-!endfunction
-
-!function LastIndex()
-  !return $lastIndex
-!endfunction
-
-!function SetIndex($new_index, $offset=1)
-  !$lastIndex = $new_index
-  !$index = $new_index + $offset
-  !return $lastIndex
-!endfunction
-
 ' Relationship (redefinition)
 ' ##################################
 
-!unquoted procedure Rel_($e_index, $alias1, $alias2, $label, $direction)
-$getRel($direction, $alias1, $alias2, $e_index + ": " + $label, "", "", "", "", "")
-!endprocedure
-!unquoted procedure Rel_($e_index, $alias1, $alias2, $label, $techn, $direction)
-$getRel($direction, $alias1, $alias2, $e_index + ": " + $label, $techn, "", "", "", "")
-!endprocedure
+' only Rel is supported in sequence diagram
 
-!unquoted procedure Rel($from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="")
-$getRel("->", $from, $to, Index() + ": " + $label, $techn, $descr, $sprite, $tags, $link)
-!endprocedure
-!unquoted procedure RelIndex($e_index, $from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="")
-$getRel("->", $from, $to, $e_index + ": " + $label, $techn, $descr, $sprite, $tags, $link)
-!endprocedure
-!unquoted procedure RelSpecialIndex($rel, $e_index, $from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="")
-$getRel($rel, $from, $to, $e_index + ": " + $label, $techn, $descr, $sprite, $tags, $link)
+' don't add empty lines in procedure otherwise & calls are not working anymore '& a -> b: call' are not working anymore
+!unquoted procedure Rel($from, $to, $label, $techn="", $descr="", $sprite="", $tags="", $link="", $index="", $rel="")
+  !if ($show_index == %true())
+    !$pre = $getPrefix($index)
+  !else
+    !$pre = ""
+  !endif
+  !if ($rel == "")
+    !$rel = "->"
+  !endif
+$getRel($rel, $from, $to, $pre + $label, $techn, $descr, $sprite, $tags, $link)
 !endprocedure

LayoutOptions.md

@@ -18,6 +18,10 @@ C4-PlantUML comes with some layout options.
     - [Using SHOW_PERSON_SPRITE(sprite)](#using-show_person_spritesprite)
     - [Using SHOW_PERSON_PORTRAIT()](#using-show_person_portrait)
     - [Using SHOW_PERSON_OUTLINE()](#using-show_person_outline)
+  - [(C4 styled) Sequence diagram specific layout options](#c4-styled-sequence-diagram-specific-layout-options)
+    - [SHOW_ELEMENT_DESCRIPTIONS(?show)](#show_element_descriptionsshow)
+    - [SHOW_FOOT_BOXES(?show)](#show_foot_boxesshow)
+    - [SHOW_INDEX(?show)](#show_indexshow)
 - [📄 Themes](Themes.md#themes)
 - samples
   - [📄 C4 Model Diagrams](samples/C4CoreDiagrams.md#c4-model-diagrams)
@@ -557,3 +561,78 @@ Rel(web_app, twitter, "Gets tweets from", "HTTPS")
 ```
 
 ![SHOW_PERSON_OUTLINE() Sample](https://www.plantuml.com/plantuml/png/RL5BQzj04BxhLqpTWcLm919wAXJY6jCK4bj4SdCK8sbYB-nZsHqXJEb_xopAeuVeeDNEV8_vHhUHCV1eDDHtXwUssZtMXtrxE3Rtl_QxV0Kr6gyf-wHihyU1uCpiuxUo33WL9yNdiHiZXTvP9ij5xqpfDTeaU1LvqAehjr-lgbGwFjoN1YDJa5Ax5GOgIw7mWiso3zsphA8GdSrnCCgkOR59fueSa5rOhBBw8dgc_U56Es2uvFtr6fRpoCiL_Cb0dZUdVAAkHUz5vuaws7YlLO-id5r8QVjv3PkwAlQxHYY1uAQuXeVVszJRQEsc22bf17OWCJqAn8oQbNX1CocMOC3Aa1QlABFzVPakvxafEYymQMPBKC-0u2db0nMJPYVC0GHpbaxqGJ41dycc5mJg6Ur9p3HUtCY9CqR1uqdIlIvgrXEh-JwBpL8IvClyzNqnmsxI88-aNzVxlfzZb0XotZLDLGigWTwwxtb-4aUvKZgUWpF_Ksx93kdF_WC0 "SHOW_PERSON_OUTLINE()")
+
+## (C4 styled) Sequence diagram specific layout options
+
+- **SHOW_ELEMENT_DESCRIPTIONS(?show)**: show or hide (hidden is default) all element/participant related descriptions
+- **SHOW_FOOT_BOXES(?show)**: show or hide (hidden is default) all element/participant related foot boxes
+- **SHOW_INDEX(?show)**: show or hide (hidden is default) the relationship (call) related index (sequence number)
+
+show is defined with `$show=true` and hide is defined with `$show=false`
+
+### SHOW_ELEMENT_DESCRIPTIONS(?show)
+
+```plantuml
+@startuml
+!include https://raw.githubusercontent.com/plantuml-stdlib/C4-PlantUML/master/C4_Sequence.puml
+
+SHOW_ELEMENT_DESCRIPTIONS()
+
+Person(admin, "Administrator", "People that administrates the products")
+System_Boundary(c1, 'Sample')
+    Container(web_app, "Web Application", "C#, ASP.NET Core 2.1 MVC", "Allows users to compare multiple Twitter timelines")
+' in a sequence diagram Boundary_End() has to be used instead of  { }
+Boundary_End()
+System(twitter, "Twitter")
+
+Rel(admin, web_app, "Uses", "HTTPS")
+Rel(web_app, twitter, "Gets tweets from", "HTTPS")
+@enduml
+```
+
+![SHOW_ELEMENT_DESCRIPTIONS() Sample](https://www.plantuml.com/plantuml/png/LL1DRzD04BtxLmpX44TARHLnujHWB5gfIQtQfKThx9qsA-t7iZihgqByTtOX8U3Boc_Unvkv2OoUerR5Esbc5GN1aTc5JtNjSQbU9H_Z50FvsHecmzLiTUqKcgov2YoKdEhcurMNeQVzVQqnCFa4ZJrzZsHcgbosB_hRX-UnlM_txM4OlxHzytZN3NSFXxxS54L7FbXJej3IR66rowyCx96jNoMW8-iK0H-H0Iz32WaYSDwAE7DOROh-BSNhyREDHg1_A-VhBQnxr4cztXIGliOQHcd8bmjD8pgNx9zfWfrpIix8qfgSsBpVmgxlgaCx98ad-51Tm_vRasSxfUmI89yb05kOhNQOA3egbhddi4Xcyi1IaqfPkTaQf064SBeA28cl7ZMSguwj4UK6ZlZRSg9iBv8cCA40-mBm0tuM_xDFwvRy9ozLEoMdlEAHrFcWbqsV0eMymkqmT7rYPTBVwSNcAt58lvIV5s_rlv8RCY9gzGi0 "SHOW_ELEMENT_DESCRIPTIONS() Sample")
+
+### SHOW_FOOT_BOXES(?show)
+
+```plantuml
+@startuml
+!include https://raw.githubusercontent.com/plantuml-stdlib/C4-PlantUML/master/C4_Sequence.puml
+
+SHOW_FOOT_BOXES()
+
+Person(admin, "Administrator")
+System_Boundary(c1, 'Sample')
+    Container(web_app, "Web Application", "C#, ASP.NET Core 2.1 MVC", "Allows users to compare multiple Twitter timelines")
+' in a sequence diagram Boundary_End() has to be used instead of  { }
+Boundary_End()
+System(twitter, "Twitter")
+
+Rel(admin, web_app, "Uses", "HTTPS")
+Rel(web_app, twitter, "Gets tweets from", "HTTPS")
+@enduml
+```
+
+![SHOW_FOOT_BOXES() Sample](https://www.plantuml.com/plantuml/png/LL1DRzD04BtlhnZ28OwKsYhYnAbf5EY1aWYxb9irzawRbVPZsPrLL27-ExEY8U3Bo3FluxszoOo9YxFgZV6pBPhWo1ppXwvBU6gV3H_BL3AbENWcp-qSN1Sj-igvogojcRhj-wj3NJtSV-uSPgOagx6d7uNyJ6siygg_sp-E7_VxORpTVz_rpKgf0wKSV8FQ6R-6nQPEapaXXxHOgVv5fDnu6uhNc5wQ-NeDonvTjBHSAP1lAw7GU4hDYQOHOnILHvfW4wCrCx89VY6hxTirRFf3-sKt22KHl6kluVxRjjusrePJXben0mUGVX45uefb8qumd0nB8s3Zo8fNbcHBC1uGycj3q0QV4peuHnrtNZShE6ALX8cgl1QEz44DuGdW9_nI_w7FTHl-uoVHNft5JtqbUtwcIzE7B65atWt3eHTK1VszNcG-4MVvfJgUKd3_Kcx8w-BiRm00 "SHOW_FOOT_BOXES() Sample")
+
+### SHOW_INDEX(?show)
+
+```plantuml
+@startuml
+!include https://raw.githubusercontent.com/plantuml-stdlib/C4-PlantUML/master/C4_Sequence.puml
+
+SHOW_INDEX()
+
+Person(admin, "Administrator")
+System_Boundary(c1, 'Sample')
+    Container(web_app, "Web Application", "C#, ASP.NET Core 2.1 MVC", "Allows users to compare multiple Twitter timelines")
+' in a sequence diagram Boundary_End() has to be used instead of  { }
+Boundary_End()
+System(twitter, "Twitter")
+
+Rel(admin, web_app, "Uses", "HTTPS")
+Rel(web_app, twitter, "Gets tweets from", "HTTPS")
+@enduml
+```
+
+![SHOW_INDEX() Sample](https://www.plantuml.com/plantuml/png/LL1DRzD04BtlhnZ28OwKsYhYnAaXH1I9bWYxb9irzawRbVPZsPsLLI7-ExEYeU3Bo3Fluxszoeo9YxFgbV6pBPhWn1ppkwvBkBIFXazbAfdI73oJvtOEheiMVULSPDRMJDt-xSMnhkvkFdSECrEIrTZJZq9-fZPMUTLVVxaVFzr-E7nlDaeTAUNW6zJE-2siTdMQp0avfDL6zK-YuiRteNYDwQcPBxUmxj55I-kD0ldsaWUDfzGiD8qOewZSqmIx6AsPaKtmArdjNszXrn_RsyCWb4Jmfhs4cs_xUjjP6vOCjLq63Y3L8Wh45Sj6d61O34iPOEF8YbUMP6im7X3oSpdG1XyJEZX77GzUDniuOPM4YQgy5exqGGtX0U0d_5B_eSzr6_xZ9z6UdSLFVILxVgQNfdTPmiYy7ePZBwWA-djzaVb8dEMNwdX8mVrBkIAlYxE_0G00 "SHOW_INDEX() Sample")
+