diff --git a/.vscode/settings.json b/.vscode/settings.json
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diff --git a/CondaPkg.toml b/CondaPkg.toml
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diff --git a/Manifest.toml b/Manifest.toml
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diff --git a/Project.toml b/Project.toml
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diff --git a/core b/core
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diff --git a/previousVersion/0.0.1/Manifest.toml b/previousVersion/0.0.1/Manifest.toml
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diff --git a/previousVersion/0.0.1/Project.toml b/previousVersion/0.0.1/Project.toml
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diff --git a/previousVersion/0.0.1/src/ChatAgent.jl b/previousVersion/0.0.1/src/ChatAgent.jl
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diff --git a/previousVersion/0.0.1/src/interface.jl b/previousVersion/0.0.1/src/interface.jl
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diff --git a/previousVersion/0.0.2/CondaPkg.toml b/previousVersion/0.0.2/CondaPkg.toml
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diff --git a/previousVersion/0.0.2/Manifest.toml b/previousVersion/0.0.2/Manifest.toml
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diff --git a/previousVersion/0.0.2/Project.toml b/previousVersion/0.0.2/Project.toml
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diff --git a/previousVersion/0.0.2/src/ChatAgent.jl b/previousVersion/0.0.2/src/ChatAgent.jl
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diff --git a/previousVersion/0.0.2/src/interface.jl b/previousVersion/0.0.2/src/interface.jl
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diff --git a/src/ChatAgent.jl b/src/ChatAgent.jl
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diff --git a/src/interface.jl b/src/interface.jl
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index 8fff23a..c9f0ff0
--- a/src/interface.jl
+++ b/src/interface.jl
@@ -57,9 +57,9 @@ end
 function agent(
   agentName::String,
   systemMessage::String,  # system message of an agent
-  maxUserMsg::Int=10,
   mqttClientSpec::Tuple;
-  availableRole::AbstractArray=["system", "user", "assistant"],)
+  availableRole::AbstractArray=["system", "user", "assistant"],
+  maxUserMsg::Int=10,)
   
   newAgent= agent()
   newAgent.availableRole= availableRole