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docs: Add interactions examples.
FUTURE_COPYBARA_INTEGRATE_REVIEW=https://github.com/google-gemini/private-dotnet-genai/pull/75 from google-gemini:vertex b423641c927b1c5e587c4ddb533afec002844b2d PiperOrigin-RevId: 904120026
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‎DemoApp/Files/packages.lock.json‎

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"dependencies": {
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"Google.Apis.Auth": "[1.69.0, )",
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"Microsoft.Extensions.AI.Abstractions": "[10.4.0, )",
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"MimeTypes": "[2.5.2, )"
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"MimeTypes": "[2.5.2, )",
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"System.Collections.Immutable": "[9.0.0, )",
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"System.Net.ServerSentEvents": "[9.0.0, )"
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}
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},
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"Google.Apis.Auth": {
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"resolved": "2.5.2",
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"contentHash": "vm4xrNt+i6OVRQ8vhfCcmDIUg3qvjyCTkSTNVTDFohsG6CXEpMaVFkidECL6yRYpHDnz4TqXhDoEQAcnHCu/tw=="
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},
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"System.Collections.Immutable": {
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"type": "CentralTransitive",
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"requested": "[9.0.0, )",
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"resolved": "9.0.0",
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"contentHash": "QhkXUl2gNrQtvPmtBTQHb0YsUrDiDQ2QS09YbtTTiSjGcf7NBqtYbrG/BE06zcBPCKEwQGzIv13IVdXNOSub2w=="
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},
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"System.Net.ServerSentEvents": {
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"type": "CentralTransitive",
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"requested": "[9.0.0, )",
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"resolved": "9.0.0",
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"contentHash": "VTWjeyx9nPb4+hkjGcAaDw1nOckypMtvABmxSWm6PPYwrXoIiVG3jwtNlAGhaGVjDkBrERABox67wYTAcHxg7Q=="
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},
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"System.Text.Json": {
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"type": "CentralTransitive",
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"requested": "[10.0.4, )",

‎DemoApp/GenerateContentSimpleText/packages.lock.json‎

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"dependencies": {
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"Google.Apis.Auth": "[1.69.0, )",
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"Microsoft.Extensions.AI.Abstractions": "[10.4.0, )",
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"MimeTypes": "[2.5.2, )"
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"MimeTypes": "[2.5.2, )",
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"System.Collections.Immutable": "[9.0.0, )",
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"System.Net.ServerSentEvents": "[9.0.0, )"
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}
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},
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"Google.Apis.Auth": {
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"resolved": "2.5.2",
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"contentHash": "vm4xrNt+i6OVRQ8vhfCcmDIUg3qvjyCTkSTNVTDFohsG6CXEpMaVFkidECL6yRYpHDnz4TqXhDoEQAcnHCu/tw=="
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},
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"System.Collections.Immutable": {
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"type": "CentralTransitive",
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"requested": "[9.0.0, )",
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"resolved": "9.0.0",
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"contentHash": "QhkXUl2gNrQtvPmtBTQHb0YsUrDiDQ2QS09YbtTTiSjGcf7NBqtYbrG/BE06zcBPCKEwQGzIv13IVdXNOSub2w=="
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},
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"System.Net.ServerSentEvents": {
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"type": "CentralTransitive",
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"requested": "[9.0.0, )",
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"resolved": "9.0.0",
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"contentHash": "VTWjeyx9nPb4+hkjGcAaDw1nOckypMtvABmxSWm6PPYwrXoIiVG3jwtNlAGhaGVjDkBrERABox67wYTAcHxg7Q=="
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},
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"System.Text.Json": {
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"type": "CentralTransitive",
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"requested": "[10.0.4, )",

‎DemoApp/GenerateContentStreamSimpleText/packages.lock.json‎

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"dependencies": {
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"Google.Apis.Auth": "[1.69.0, )",
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"Microsoft.Extensions.AI.Abstractions": "[10.4.0, )",
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"MimeTypes": "[2.5.2, )"
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"MimeTypes": "[2.5.2, )",
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"System.Collections.Immutable": "[9.0.0, )",
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"System.Net.ServerSentEvents": "[9.0.0, )"
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}
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},
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"Google.Apis.Auth": {
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"resolved": "2.5.2",
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"contentHash": "vm4xrNt+i6OVRQ8vhfCcmDIUg3qvjyCTkSTNVTDFohsG6CXEpMaVFkidECL6yRYpHDnz4TqXhDoEQAcnHCu/tw=="
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},
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"System.Collections.Immutable": {
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"type": "CentralTransitive",
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"requested": "[9.0.0, )",
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"resolved": "9.0.0",
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"contentHash": "QhkXUl2gNrQtvPmtBTQHb0YsUrDiDQ2QS09YbtTTiSjGcf7NBqtYbrG/BE06zcBPCKEwQGzIv13IVdXNOSub2w=="
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},
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"System.Net.ServerSentEvents": {
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"type": "CentralTransitive",
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"requested": "[9.0.0, )",
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"resolved": "9.0.0",
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"contentHash": "VTWjeyx9nPb4+hkjGcAaDw1nOckypMtvABmxSWm6PPYwrXoIiVG3jwtNlAGhaGVjDkBrERABox67wYTAcHxg7Q=="
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},
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"System.Text.Json": {
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"type": "CentralTransitive",
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"requested": "[10.0.4, )",

‎DemoApp/Interactions/InteractionBasic/InteractionBasic.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<ItemGroup>
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<ProjectReference Include="..\..\..\Google.GenAI\Google.GenAI.csproj" />
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</ItemGroup>
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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</Project>

‎DemoApp/Interactions/InteractionBasic/Program.cs‎

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/*
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* Copyright 2026 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using Google.GenAI;
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using Google.GenAI.Interactions.Models.Interactions;
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bool isVertex = args.Contains("--vertex", StringComparer.OrdinalIgnoreCase);
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Console.WriteLine(isVertex ? "Running in Vertex AI mode." : "Running in Gemini API mode.");
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Client client = new Client(vertexAI: isVertex);
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if (isVertex)
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{
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Console.WriteLine("Interactions API is not yet supported on Vertex AI");
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return;
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}
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CreateModelInteractionParams params1 = new()
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{
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Input = "Why is the sky blue?",
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Model = Model.Gemini2_5Flash,
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};
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Interaction interaction = await client.Interactions.Create(new() { Body = params1 });
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Console.WriteLine($"Interaction ID: {interaction.ID}");
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Console.WriteLine($"Status: {interaction.Status}");
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foreach (var output in interaction?.Outputs ?? [])
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{
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if (output.TryPickText(out var text))
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{
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Console.WriteLine($"Output: {text.Text}");
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}
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}

‎DemoApp/Interactions/InteractionCreate/InteractionCreate.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<ItemGroup>
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<ProjectReference Include="..\..\..\Google.GenAI\Google.GenAI.csproj" />
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</ItemGroup>
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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</Project>

‎DemoApp/Interactions/InteractionCreate/Program.cs‎

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/*
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* Copyright 2025 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using Google.GenAI;
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using Google.GenAI.Interactions.Models.Interactions;
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bool isVertex = args.Contains("--vertex", StringComparer.OrdinalIgnoreCase);
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Console.WriteLine(isVertex ? "Running in Vertex AI mode." : "Running in Gemini API mode.");
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Client client = new Client(vertexAI: isVertex);
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CreateModelInteractionParams parameters = new()
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{
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Input = "What is your name?",
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Model = Model.Gemini2_5Flash,
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};
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Interaction interaction = await client.Interactions.Create(new() { Body = parameters });
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Console.WriteLine($"Interaction ID: {interaction.ID}");
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Console.WriteLine($"Status: {interaction.Status}");
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foreach (var output in interaction?.Outputs ?? [])
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{
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if (output.TryPickText(out var text))
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{
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Console.WriteLine($"Output: {text.Text}");
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}
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}

‎DemoApp/Interactions/InteractionCreate/README.md‎

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1. Perform these steps when you are in the directory of this README file.
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2. Set the `GOOGLE_API_KEY` environment variable to your API key.
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3. Run `dotnet run` to run the demo

‎DemoApp/Interactions/InteractionCreateStreaming/InteractionCreateStreaming.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<ItemGroup>
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<ProjectReference Include="..\..\..\Google.GenAI\Google.GenAI.csproj" />
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</ItemGroup>
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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</Project>

‎DemoApp/Interactions/InteractionCreateStreaming/Program.cs‎

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/*
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* Copyright 2025 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using Google.GenAI;
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using Google.GenAI.Interactions.Models.Interactions;
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bool isVertex = args.Contains("--vertex", StringComparer.OrdinalIgnoreCase);
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Console.WriteLine(isVertex ? "Running in Vertex AI mode." : "Running in Gemini API mode.");
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Client client = new Client(vertexAI: isVertex);
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CreateModelInteractionParams parameters = new()
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{
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Input = "Tell me a story in 300 words.",
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Model = Model.Gemini2_5Flash,
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};
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await foreach (var messageEvent in client.Interactions.CreateStreaming(new() { Body = parameters }))
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{
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if (messageEvent.TryPickContentDelta(out var contentDelta) && contentDelta.Delta.TryPickText(out var deltaText))
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{
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Console.Write(deltaText.TextValue);
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}
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}
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Console.WriteLine();

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