diff --git a/docs/diagrams/azure_digital_twins_cloud_connector.svg b/docs/diagrams/azure_digital_twins_cloud_connector.svg
new file mode 100644
index 0000000..4e4ee74
--- /dev/null
+++ b/docs/diagrams/azure_digital_twins_cloud_connector.svg
@@ -0,0 +1,50 @@
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+cluster azure_cloud_connector--><rect fill="#FEFEFE" filter="url(#f1notuzrbwgzh4)" height="103" style="stroke: #000000; stroke-width: 1.5;" width="261" x="76.5" y="222"/><path d="M326.5,223 L326.5,231.2969 L316.5,241.2969 L76.5,241.2969 " fill="none" style="stroke: #000000; stroke-width: 1.5;"/><text fill="#000000" font-family="sans-serif" font-size="14" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="240" x="79.5" y="235.9951">Azure Digital Twins Connector</text><!--MD5=[bc16d331e868ca6fb9fffa8c51e1888f]
+cluster freyja--><rect fill="#FEFEFE" filter="url(#f1notuzrbwgzh4)" height="87" style="stroke: #000000; stroke-width: 1.5;" width="255" x="203.5" y="357"/><path d="M261.5,358 L261.5,366.2969 L251.5,376.2969 L203.5,376.2969 " fill="none" style="stroke: #000000; stroke-width: 1.5;"/><text fill="#000000" font-family="sans-serif" font-size="14" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="48" x="206.5" y="370.9951">Freyja</text><!--MD5=[bb0d7d991436ed6546e1677fd3f54fa2]
+entity Azure Digital Twins--><rect fill="#FEFECE" filter="url(#f1notuzrbwgzh4)" height="36.2969" style="stroke: #A80036; stroke-width: 1.5;" width="150" x="141.5" y="40"/><rect fill="#FEFECE" height="5" style="stroke: #A80036; stroke-width: 1.5;" width="10" x="136.5" y="45"/><rect fill="#FEFECE" height="5" style="stroke: #A80036; stroke-width: 1.5;" width="10" x="136.5" y="66.2969"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="130" x="151.5" y="62.9951">Azure Digital Twins</text><!--MD5=[e7b78a05a64dde469fc1442dad93ee06]
+entity Azure Digital Twins Client--><rect fill="#FEFECE" filter="url(#f1notuzrbwgzh4)" height="36.2969" style="stroke: #A80036; stroke-width: 1.5;" width="193" x="120" y="265"/><rect fill="#FEFECE" height="5" style="stroke: #A80036; stroke-width: 1.5;" width="10" x="115" y="270"/><rect fill="#FEFECE" height="5" style="stroke: #A80036; stroke-width: 1.5;" width="10" x="115" y="291.2969"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="173" x="130" y="287.9951">Azure Digital Twins Client</text><!--MD5=[5db1e66abd3f7f43b90b7d38fc9ccb5a]
+entity Emitter--><rect fill="#FEFECE" filter="url(#f1notuzrbwgzh4)" height="36.2969" style="stroke: #A80036; stroke-width: 1.5;" width="69" x="373" y="392"/><rect fill="#FEFECE" height="5" style="stroke: #A80036; stroke-width: 1.5;" width="10" x="368" y="397"/><rect fill="#FEFECE" height="5" style="stroke: #A80036; stroke-width: 1.5;" width="10" x="368" y="418.2969"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="49" x="383" y="414.9951">Emitter</text><!--MD5=[161a6b5a0248efac3897837f792e5921]
+entity Cloud Adapter--><rect fill="#FEFECE" filter="url(#f1notuzrbwgzh4)" height="36.2969" style="stroke: #A80036; stroke-width: 1.5;" width="118" x="219.5" y="392"/><rect fill="#FEFECE" height="5" style="stroke: #A80036; stroke-width: 1.5;" width="10" x="214.5" y="397"/><rect fill="#FEFECE" height="5" style="stroke: #A80036; stroke-width: 1.5;" width="10" x="214.5" y="418.2969"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="98" x="229.5" y="414.9951">Cloud Adapter</text><!--MD5=[6460cc1208e8f63e881cdfe238a2d33d]
+entity cloud_connector.proto--><ellipse cx="84.5" cy="410" fill="#FEFECE" filter="url(#f1notuzrbwgzh4)" rx="8" ry="8" style="stroke: #A80036; stroke-width: 2.0;"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="157" x="6" y="439.9951">cloud_connector.proto</text><!--MD5=[a544874d1e69bdace0e65583c0e49022]
+reverse link Cloud Adapter to Emitter--><path d="M342.93,410 C352.91,410 362.89,410 372.88,410 " fill="none" id="Cloud Adapter&lt;-Emitter" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="337.71,410,346.71,414,342.71,410,346.71,406,337.71,410" style="stroke: #A80036; stroke-width: 1.0;"/><!--MD5=[e9a3b063f35034ca2765f445f1bcc03c]
+reverse link Azure Digital Twins to Azure Digital Twins Client--><path d="M216.5,81.28 C216.5,125.79 216.5,224.87 216.5,264.81 " fill="none" id="Azure Digital Twins&lt;-Azure Digital Twins Client" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="216.5,76.13,212.5,85.13,216.5,81.13,220.5,85.13,216.5,76.13" style="stroke: #A80036; stroke-width: 1.0;"/><!--MD5=[ba016a8e0d661f2f084385c5812d58f4]
+link azure_cloud_connector to cloud_connector.proto--><path d="M84.5,325.0997 C84.5,325.4815 84.5,325.8646 84.5,326.2488 C84.5,327.0172 84.5,327.7902 84.5,328.5673 C84.5,330.1214 84.5,331.6916 84.5,333.2738 C84.5,358.5875 84.5,386.935 84.5,400.66 " fill="none" id="azure_cloud_connector-cloud_connector.proto" style="stroke: #A80036; stroke-width: 1.0;"/><!--MD5=[e75b70ac75ef1a413ba03273db336f17]
+reverse link cloud_connector.proto to Cloud Adapter--><path d="M98.99,410 C139.09,410 179.18,410 219.27,410 " fill="none" id="cloud_connector.proto&lt;-Cloud Adapter" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="93.59,410,102.59,414,98.59,410,102.59,406,93.59,410" style="stroke: #A80036; stroke-width: 1.0;"/><!--MD5=[e2726d9d7c36eac6a68128365bc67cfa]
+link Emitter to cloud_connector.proto--><!--MD5=[cd42ee454999f7d88f9aac7a1b3a2cb6]
+reverse link cloud_connector.proto to Emitter--><!--MD5=[12431b82e355931ccf18db02d613db12]
+@startuml
+skinparamlocked backgroundColor fefefe
+
+cloud {
+    [Azure Digital Twins]
+}
+
+frame "Azure Digital Twins Connector" as azure_cloud_connector {
+    [Azure Digital Twins Client]
+}
+
+frame "Freyja" as freyja {
+    [Emitter] -left-> [Cloud Adapter]
+}
+
+[Azure Digital Twins Client] -up- - -> [Azure Digital Twins]
+
+azure_cloud_connector -down- cloud_connector.proto
+
+[Cloud Adapter] -left- -> cloud_connector.proto
+
+[Emitter] -[hidden]right- -> cloud_connector.proto
+[Emitter] -[hidden]up- - - - - - - -> cloud_connector.proto
+
+@enduml
+
+PlantUML version 1.2020.02(Sun Mar 01 10:22:07 UTC 2020)
+(GPL source distribution)
+Java Runtime: OpenJDK Runtime Environment
+JVM: OpenJDK 64-Bit Server VM
+Java Version: 11.0.22+7
+Operating System: Linux
+Default Encoding: UTF-8
+Language: en
+Country: null
+--></g></svg>
\ No newline at end of file
diff --git a/docs/diagrams/azure_mqtt_cloud_connector.svg b/docs/diagrams/azure_mqtt_cloud_connector.svg
new file mode 100644
index 0000000..5f16fc1
--- /dev/null
+++ b/docs/diagrams/azure_mqtt_cloud_connector.svg
@@ -0,0 +1,55 @@
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+cluster azure_mqtt_cloud_connector--><rect fill="#FEFEFE" filter="url(#f17tfgd43p8z5l)" height="103" style="stroke: #000000; stroke-width: 1.5;" width="201" x="71.5" y="196"/><path d="M266.5,197 L266.5,205.2969 L256.5,215.2969 L71.5,215.2969 " fill="none" style="stroke: #000000; stroke-width: 1.5;"/><text fill="#000000" font-family="sans-serif" font-size="14" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="185" x="74.5" y="209.9951">Azure MQTT Connector</text><!--MD5=[bc16d331e868ca6fb9fffa8c51e1888f]
+cluster freyja--><rect fill="#FEFEFE" filter="url(#f17tfgd43p8z5l)" height="87" style="stroke: #000000; stroke-width: 1.5;" width="255" x="203.5" y="331"/><path d="M261.5,332 L261.5,340.2969 L251.5,350.2969 L203.5,350.2969 " fill="none" style="stroke: #000000; stroke-width: 1.5;"/><text fill="#000000" font-family="sans-serif" font-size="14" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="48" x="206.5" y="344.9951">Freyja</text><!--MD5=[221163234062f07376149dc5ee8d8f68]
+entity Azure Function--><rect fill="#FEFECE" filter="url(#f17tfgd43p8z5l)" height="36.2969" style="stroke: #A80036; stroke-width: 1.5;" width="124" x="352.5" y="136"/><rect fill="#FEFECE" height="5" style="stroke: #A80036; stroke-width: 1.5;" width="10" x="347.5" y="141"/><rect fill="#FEFECE" height="5" style="stroke: #A80036; stroke-width: 1.5;" width="10" x="347.5" y="162.2969"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="104" x="362.5" y="158.9951">Azure Function</text><!--MD5=[e1feb334f189c9a074ed5e22e6ac1b67]
+entity Azure Digital Twin--><rect fill="#FEFECE" filter="url(#f17tfgd43p8z5l)" height="36.2969" style="stroke: #A80036; stroke-width: 1.5;" width="142" x="343.5" y="40"/><rect fill="#FEFECE" height="5" style="stroke: #A80036; stroke-width: 1.5;" width="10" x="338.5" y="45"/><rect fill="#FEFECE" height="5" style="stroke: #A80036; stroke-width: 1.5;" width="10" x="338.5" y="66.2969"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="122" x="353.5" y="62.9951">Azure Digital Twin</text><!--MD5=[ad937b2f5620d69c3d9e8c2121e5b5d6]
+entity Event Grid with MQTT v5--><rect fill="#FEFECE" filter="url(#f17tfgd43p8z5l)" height="36.2969" style="stroke: #A80036; stroke-width: 1.5;" width="188" x="320.5" y="239"/><rect fill="#FEFECE" height="5" style="stroke: #A80036; stroke-width: 1.5;" width="10" x="315.5" y="244"/><rect fill="#FEFECE" height="5" style="stroke: #A80036; stroke-width: 1.5;" width="10" x="315.5" y="265.2969"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="168" x="330.5" y="261.9951">Event Grid with MQTT v5</text><!--MD5=[4b9665cdef86308eb0c2082fd032df38]
+entity MQTT v5 Client--><rect fill="#FEFECE" filter="url(#f17tfgd43p8z5l)" height="36.2969" style="stroke: #A80036; stroke-width: 1.5;" width="124" x="124.5" y="239"/><rect fill="#FEFECE" height="5" style="stroke: #A80036; stroke-width: 1.5;" width="10" x="119.5" y="244"/><rect fill="#FEFECE" height="5" style="stroke: #A80036; stroke-width: 1.5;" width="10" x="119.5" y="265.2969"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="104" x="134.5" y="261.9951">MQTT v5 Client</text><!--MD5=[5db1e66abd3f7f43b90b7d38fc9ccb5a]
+entity Emitter--><rect fill="#FEFECE" filter="url(#f17tfgd43p8z5l)" height="36.2969" style="stroke: #A80036; stroke-width: 1.5;" width="69" x="373" y="366"/><rect fill="#FEFECE" height="5" style="stroke: #A80036; stroke-width: 1.5;" width="10" x="368" y="371"/><rect fill="#FEFECE" height="5" style="stroke: #A80036; stroke-width: 1.5;" width="10" x="368" y="392.2969"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="49" x="383" y="388.9951">Emitter</text><!--MD5=[161a6b5a0248efac3897837f792e5921]
+entity Cloud Adapter--><rect fill="#FEFECE" filter="url(#f17tfgd43p8z5l)" height="36.2969" style="stroke: #A80036; stroke-width: 1.5;" width="118" x="219.5" y="366"/><rect fill="#FEFECE" height="5" style="stroke: #A80036; stroke-width: 1.5;" width="10" x="214.5" y="371"/><rect fill="#FEFECE" height="5" style="stroke: #A80036; stroke-width: 1.5;" width="10" x="214.5" y="392.2969"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="98" x="229.5" y="388.9951">Cloud Adapter</text><!--MD5=[6460cc1208e8f63e881cdfe238a2d33d]
+entity cloud_connector.proto--><ellipse cx="84.5" cy="384" fill="#FEFECE" filter="url(#f17tfgd43p8z5l)" rx="8" ry="8" style="stroke: #A80036; stroke-width: 2.0;"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="157" x="6" y="413.9951">cloud_connector.proto</text><!--MD5=[365e44f906c70a637e170cdab45537cf]
+reverse link Azure Digital Twin to Azure Function--><path d="M414.5,81.66 C414.5,98.34 414.5,120.66 414.5,135.87 " fill="none" id="Azure Digital Twin&lt;-Azure Function" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="414.5,76.24,410.5,85.24,414.5,81.24,418.5,85.24,414.5,76.24" style="stroke: #A80036; stroke-width: 1.0;"/><!--MD5=[33023a94e6a38b3184f359d33616ab70]
+reverse link Azure Function to Event Grid with MQTT v5--><path d="M414.5,177.15 C414.5,195.69 414.5,221.78 414.5,238.78 " fill="none" id="Azure Function&lt;-Event Grid with MQTT v5" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="414.5,172.13,410.5,181.13,414.5,177.13,418.5,181.13,414.5,172.13" style="stroke: #A80036; stroke-width: 1.0;"/><!--MD5=[a544874d1e69bdace0e65583c0e49022]
+reverse link Cloud Adapter to Emitter--><path d="M342.93,384 C352.91,384 362.89,384 372.88,384 " fill="none" id="Cloud Adapter&lt;-Emitter" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="337.71,384,346.71,388,342.71,384,346.71,380,337.71,384" style="stroke: #A80036; stroke-width: 1.0;"/><!--MD5=[7f5131b251837eef00aec73d1fd0ab7c]
+reverse link Event Grid with MQTT v5 to MQTT v5 Client--><path d="M315.32,257 C293.16,257 271,257 248.84,257 " fill="none" id="Event Grid with MQTT v5&lt;-MQTT v5 Client" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="320.35,257,311.35,253,315.35,257,311.35,261,320.35,257" style="stroke: #A80036; stroke-width: 1.0;"/><!--MD5=[b96ec9873bac159c05907c7ddfbda018]
+link azure_mqtt_cloud_connector to cloud_connector.proto--><path d="M84.5,299.0997 C84.5,299.4815 84.5,299.8646 84.5,300.2488 C84.5,301.0172 84.5,301.7902 84.5,302.5673 C84.5,304.1214 84.5,305.6916 84.5,307.2738 C84.5,332.5875 84.5,360.935 84.5,374.66 " fill="none" id="azure_mqtt_cloud_connector-cloud_connector.proto" style="stroke: #A80036; stroke-width: 1.0;"/><!--MD5=[e75b70ac75ef1a413ba03273db336f17]
+reverse link cloud_connector.proto to Cloud Adapter--><path d="M98.99,384 C139.09,384 179.18,384 219.27,384 " fill="none" id="cloud_connector.proto&lt;-Cloud Adapter" style="stroke: #A80036; stroke-width: 1.0;"/><polygon fill="#A80036" points="93.59,384,102.59,388,98.59,384,102.59,380,93.59,384" style="stroke: #A80036; stroke-width: 1.0;"/><!--MD5=[e2726d9d7c36eac6a68128365bc67cfa]
+link Emitter to cloud_connector.proto--><!--MD5=[cd42ee454999f7d88f9aac7a1b3a2cb6]
+reverse link cloud_connector.proto to Emitter--><!--MD5=[5e9f021833cbd4869a55e2942d014ea2]
+@startuml
+skinparamlocked backgroundColor fefefe
+
+cloud {
+    [Azure Function] -up-> [Azure Digital Twin]
+    [Event Grid with MQTT v5] -up-> [Azure Function]
+}
+
+frame "Azure MQTT Connector" as azure_mqtt_cloud_connector {
+    [MQTT v5 Client]
+}
+
+frame "Freyja" as freyja {
+    [Emitter] -left-> [Cloud Adapter]
+}
+
+[MQTT v5 Client] -left-> [Event Grid with MQTT v5]
+
+azure_mqtt_cloud_connector -down- cloud_connector.proto
+
+[Cloud Adapter] -left- -> cloud_connector.proto
+
+[Emitter] -[hidden]right- -> cloud_connector.proto
+[Emitter] -[hidden]up- - - - - - - -> cloud_connector.proto
+
+@enduml
+
+PlantUML version 1.2020.02(Sun Mar 01 10:22:07 UTC 2020)
+(GPL source distribution)
+Java Runtime: OpenJDK Runtime Environment
+JVM: OpenJDK 64-Bit Server VM
+Java Version: 11.0.22+7
+Operating System: Linux
+Default Encoding: UTF-8
+Language: en
+Country: null
+--></g></svg>
\ No newline at end of file