diff --git a/examples/safety-setting.rs b/examples/safety-setting.rs
new file mode 100644
index 0000000..f321265
--- /dev/null
+++ b/examples/safety-setting.rs
@@ -0,0 +1,42 @@
+use std::vec;
+
+use gemini_rs::prelude::*;
+
+#[tokio::main]
+async fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let authentication_manager = gcp_auth::provider().await?;
+    let api_endpoint = std::env::var("API_ENDPOINT")?;
+    let project_id = std::env::var("PROJECT_ID")?;
+    let location_id = std::env::var("LOCATION_ID")?;
+
+    let gemini = GeminiClient::new(
+        authentication_manager,
+        api_endpoint,
+        project_id,
+        location_id,
+    );
+
+    let prompt = "What is the airspeed of an unladen swallow?";
+
+    let request = GenerateContentRequest {
+        contents: vec![Content {
+            role: Some("user".to_string()),
+            parts: Some(vec![Part::Text(prompt.to_string())]),
+        }],
+        safety_settings: Some(vec![SafetySetting {
+            category: HarmCategory::HateSpeech,
+            threshold: HarmBlockThreshold::BlockNone,
+            method: None,
+        }]),
+        ..Default::default()
+    };
+
+    println!("{}", serde_json::to_string_pretty(&request).unwrap());
+
+    let result = gemini
+        .generate_content(&request, "gemini-1.0-pro-002")
+        .await?;
+    println!("Response: {:?}", result);
+
+    Ok(())
+}
diff --git a/src/client.rs b/src/client.rs
index d69d61c..89a57d5 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -159,6 +159,7 @@ impl<T: TokenProvider + Clone> GeminiClient<T> {
             generation_config: None,
             tools: None,
             system_instruction: None,
+            safety_settings: None,
         };
 
         let response = self.generate_content(&request, model).await?;
@@ -187,6 +188,7 @@ impl<T: TokenProvider + Clone> GeminiClient<T> {
             generation_config: generation_config.cloned(),
             tools: None,
             system_instruction: None,
+            safety_settings: None,
         };
 
         let response = self.generate_content(&request, "gemini-pro").await?;
diff --git a/src/types/generate_content.rs b/src/types/generate_content.rs
index baac2d9..8dd1194 100644
--- a/src/types/generate_content.rs
+++ b/src/types/generate_content.rs
@@ -6,10 +6,16 @@ use super::{Content, Part, VertexApiError};
 use crate::error::Result;
 
 #[derive(Clone, Default, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
 pub struct GenerateContentRequest {
     pub contents: Vec<Content>,
+    #[serde(skip_serializing_if = "Option::is_none")]
     pub generation_config: Option<GenerationConfig>,
+    #[serde(skip_serializing_if = "Option::is_none")]
     pub tools: Option<Vec<Tools>>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub safety_settings: Option<Vec<SafetySetting>>,
+    #[serde(skip_serializing_if = "Option::is_none")]
     pub system_instruction: Option<Content>,
 }
 
@@ -23,14 +29,17 @@ impl GenerateContentRequest {
             generation_config,
             tools: None,
             system_instruction: None,
+            safety_settings: None,
         }
     }
 }
 
 #[derive(Clone, Default, Serialize, Deserialize)]
 pub struct Tools {
+    #[serde(skip_serializing_if = "Option::is_none")]
     pub function_declarations: Option<Vec<FunctionDeclaration>>,
     #[serde(rename = "googleSearchRetrieval")]
+    #[serde(skip_serializing_if = "Option::is_none")]
     pub google_search_retrieval: Option<GoogleSearchRetrieval>,
 }
 
@@ -43,21 +52,79 @@ pub struct GoogleSearchRetrieval {
 #[derive(Clone, Debug, Serialize, Deserialize, Default)]
 #[serde(rename_all = "camelCase")]
 pub struct GenerationConfig {
+    #[serde(skip_serializing_if = "Option::is_none")]
     pub max_output_tokens: Option<i32>,
+    #[serde(skip_serializing_if = "Option::is_none")]
     pub temperature: Option<f32>,
+    #[serde(skip_serializing_if = "Option::is_none")]
     pub top_p: Option<f32>,
+    #[serde(skip_serializing_if = "Option::is_none")]
     pub top_k: Option<i32>,
+    #[serde(skip_serializing_if = "Option::is_none")]
     pub stop_sequences: Option<Vec<String>>,
+    #[serde(skip_serializing_if = "Option::is_none")]
     pub candidate_count: Option<u32>,
+    #[serde(skip_serializing_if = "Option::is_none")]
     pub response_mime_type: Option<String>,
 }
 
+#[derive(Clone, Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct SafetySetting {
+    pub category: HarmCategory,
+    pub threshold: HarmBlockThreshold,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub method: Option<HarmBlockMethod>,
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+pub enum HarmCategory {
+    #[serde(rename = "HARM_CATEGORY_UNSPECIFIED")]
+    Unspecified,
+    #[serde(rename = "HARM_CATEGORY_HATE_SPEECH")]
+    HateSpeech,
+    #[serde(rename = "HARM_CATEGORY_DANGEROUS_CONTENT")]
+    DangerousContent,
+    #[serde(rename = "HARM_CATEGORY_HARASSMENT")]
+    Harassment,
+    #[serde(rename = "HARM_CATEGORY_SEXUALLY_EXPLICIT")]
+    SexuallyExplicit,
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+pub enum HarmBlockThreshold {
+    #[serde(rename = "HARM_BLOCK_THRESHOLD_UNSPECIFIED")]
+    Unspecified,
+    #[serde(rename = "BLOCK_LOW_AND_ABOVE")]
+    BlockLowAndAbove,
+    #[serde(rename = "BLOCK_MEDIUM_AND_ABOVE")]
+    BlockMediumAndAbove,
+    #[serde(rename = "BLOCK_ONLY_HIGH")]
+    BlockOnlyHigh,
+    #[serde(rename = "BLOCK_NONE")]
+    BlockNone,
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+pub enum HarmBlockMethod {
+    #[serde(rename = "HARM_BLOCK_METHOD_UNSPECIFIED")]
+    Unspecified, // HARM_BLOCK_METHOD_UNSPECIFIED
+    #[serde(rename = "SEVERITY")]
+    Severity, // SEVERITY
+    #[serde(rename = "PROBABILITY")]
+    Probability, // PROBABILITY
+}
+
 #[derive(Debug, Serialize, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct Candidate {
+    #[serde(skip_serializing_if = "Option::is_none")]
     pub content: Option<Content>,
+    #[serde(skip_serializing_if = "Option::is_none")]
     pub citation_metadata: Option<CitationMetadata>,
+    #[serde(skip_serializing_if = "Option::is_none")]
     pub safety_ratings: Option<Vec<SafetyRating>>,
+    #[serde(skip_serializing_if = "Option::is_none")]
     pub finish_reason: Option<String>,
 }