agent-framework/dotnet/src/Microsoft.Agents.AI.Workflows.Declarative/CodeGen/InvokeAzureAgentTemplate.tt

<#@ template language="C#" inherits="ActionTemplate" visibility="internal" linePragmas="false" #>
<#@ output extension=".cs" #>
<#@ assembly name="System.Core" #>
<#@ import namespace="System.Collections.Generic" #>
<#@ import namespace="Microsoft.Agents.AI.Workflows.Declarative.Extensions" #>
<#@ import namespace="Microsoft.Agents.ObjectModel" #>
<#@ import namespace="Microsoft.Extensions.AI" #>
<#@ include file="Snippets/AssignVariableTemplate.tt" once="true" #>
<#@ include file="Snippets/EvaluateBoolExpressionTemplate.tt" once="true" #>
<#@ include file="Snippets/EvaluateListExpressionTemplate.tt" once="true" #>
<#@ include file="Snippets/EvaluateStringExpressionTemplate.tt" once="true" #>
/// <summary>
/// Invokes an agent to process messages and return a response within a conversation context.
/// </summary>
internal sealed class <#= this.Name #>Executor(FormulaSession session, ResponseAgentProvider agentProvider) : AgentExecutor(id: "<#= this.Id #>", session, agentProvider)
{
    // <inheritdoc />
    protected override async ValueTask<object?> ExecuteAsync(IWorkflowContext context, CancellationToken cancellationToken)
    {<# 
        EvaluateStringExpression(this.Model.Agent.Name, "agentName", isNullable: true);#>

        if (string.IsNullOrWhiteSpace(agentName))
        {
            throw new DeclarativeActionException($"Agent name must be defined: {this.Id}");
        }
        <#
        EvaluateStringExpression(this.Model.ConversationId, "conversationId", isNullable: true);
        EvaluateBoolExpression(this.Model.Output?.AutoSend, "autoSend", defaultValue: true); 
        EvaluateListExpression<ChatMessage>(this.Model.Input?.Messages, "inputMessages");#>
        
        AgentResponse agentResponse =
            await InvokeAgentAsync(
                context,
                agentName,
                conversationId, 
                autoSend, 
                inputMessages, 
                cancellationToken).ConfigureAwait(false);

        if (autoSend)
        {
            await context.AddEventAsync(new AgentResponseEvent(this.Id, agentResponse)).ConfigureAwait(false);
        }
        <#
        AssignVariable(this.Messages, "agentResponse.Messages"); #>
        return default;
    }
}