diff --git a/docs/core_docs/docs/integrations/llms/bedrock.ipynb b/docs/core_docs/docs/integrations/llms/bedrock.ipynb
index f32e3d181cea..8786797eea5f 100644
--- a/docs/core_docs/docs/integrations/llms/bedrock.ipynb
+++ b/docs/core_docs/docs/integrations/llms/bedrock.ipynb
@@ -106,199 +106,10 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 17,
+   "execution_count": null,
    "id": "093ae37f",
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "[Module: null prototype] {\n",
-       "  EndpointURLScheme: { HTTP: \u001b[32m\"http\"\u001b[39m, HTTPS: \u001b[32m\"https\"\u001b[39m },\n",
-       "  HostAddressType: { AAAA: \u001b[32m\"AAAA\"\u001b[39m, A: \u001b[32m\"A\"\u001b[39m },\n",
-       "  HttpAuthLocation: { HEADER: \u001b[32m\"header\"\u001b[39m, QUERY: \u001b[32m\"query\"\u001b[39m },\n",
-       "  RequestHandlerProtocol: { HTTP_0_9: \u001b[32m\"http/0.9\"\u001b[39m, HTTP_1_0: \u001b[32m\"http/1.0\"\u001b[39m, TDS_8_0: \u001b[32m\"tds/8.0\"\u001b[39m },\n",
-       "  default: {\n",
-       "    AbortController: \u001b[36m[Getter]\u001b[39m,\n",
-       "    AbortHandler: \u001b[36m[Getter]\u001b[39m,\n",
-       "    AbortSignal: \u001b[36m[Getter]\u001b[39m,\n",
-       "    AbsoluteLocation: \u001b[36m[Getter]\u001b[39m,\n",
-       "    AuthScheme: \u001b[36m[Getter]\u001b[39m,\n",
-       "    AvailableMessage: \u001b[36m[Getter]\u001b[39m,\n",
-       "    AvailableMessages: \u001b[36m[Getter]\u001b[39m,\n",
-       "    AwsCredentialIdentity: \u001b[36m[Getter]\u001b[39m,\n",
-       "    AwsCredentialIdentityProvider: \u001b[36m[Getter]\u001b[39m,\n",
-       "    BinaryHeaderValue: \u001b[36m[Getter]\u001b[39m,\n",
-       "    BlobTypes: \u001b[36m[Getter]\u001b[39m,\n",
-       "    BodyLengthCalculator: \u001b[36m[Getter]\u001b[39m,\n",
-       "    BooleanHeaderValue: \u001b[36m[Getter]\u001b[39m,\n",
-       "    BuildHandler: \u001b[36m[Getter]\u001b[39m,\n",
-       "    BuildHandlerArguments: \u001b[36m[Getter]\u001b[39m,\n",
-       "    BuildHandlerOptions: \u001b[36m[Getter]\u001b[39m,\n",
-       "    BuildHandlerOutput: \u001b[36m[Getter]\u001b[39m,\n",
-       "    BuildMiddleware: \u001b[36m[Getter]\u001b[39m,\n",
-       "    ByteHeaderValue: \u001b[36m[Getter]\u001b[39m,\n",
-       "    Checksum: \u001b[36m[Getter]\u001b[39m,\n",
-       "    ChecksumConstructor: \u001b[36m[Getter]\u001b[39m,\n",
-       "    Client: \u001b[36m[Getter]\u001b[39m,\n",
-       "    Command: \u001b[36m[Getter]\u001b[39m,\n",
-       "    ConnectConfiguration: \u001b[36m[Getter]\u001b[39m,\n",
-       "    ConnectionManager: \u001b[36m[Getter]\u001b[39m,\n",
-       "    ConnectionManagerConfiguration: \u001b[36m[Getter]\u001b[39m,\n",
-       "    ConnectionPool: \u001b[36m[Getter]\u001b[39m,\n",
-       "    DateInput: \u001b[36m[Getter]\u001b[39m,\n",
-       "    Decoder: \u001b[36m[Getter]\u001b[39m,\n",
-       "    DeserializeHandler: \u001b[36m[Getter]\u001b[39m,\n",
-       "    DeserializeHandlerArguments: \u001b[36m[Getter]\u001b[39m,\n",
-       "    DeserializeHandlerOptions: \u001b[36m[Getter]\u001b[39m,\n",
-       "    DeserializeHandlerOutput: \u001b[36m[Getter]\u001b[39m,\n",
-       "    DeserializeMiddleware: \u001b[36m[Getter]\u001b[39m,\n",
-       "    DocumentType: \u001b[36m[Getter]\u001b[39m,\n",
-       "    Encoder: \u001b[36m[Getter]\u001b[39m,\n",
-       "    Endpoint: \u001b[36m[Getter]\u001b[39m,\n",
-       "    EndpointARN: \u001b[36m[Getter]\u001b[39m,\n",
-       "    EndpointBearer: \u001b[36m[Getter]\u001b[39m,\n",
-       "    EndpointObjectProperty: \u001b[36m[Getter]\u001b[39m,\n",
-       "    EndpointParameters: \u001b[36m[Getter]\u001b[39m,\n",
-       "    EndpointPartition: \u001b[36m[Getter]\u001b[39m,\n",
-       "    EndpointURL: \u001b[36m[Getter]\u001b[39m,\n",
-       "    EndpointURLScheme: \u001b[36m[Getter]\u001b[39m,\n",
-       "    EndpointV2: \u001b[36m[Getter]\u001b[39m,\n",
-       "    EventSigner: \u001b[36m[Getter]\u001b[39m,\n",
-       "    EventSigningArguments: \u001b[36m[Getter]\u001b[39m,\n",
-       "    EventStreamMarshaller: \u001b[36m[Getter]\u001b[39m,\n",
-       "    EventStreamMarshallerDeserFn: \u001b[36m[Getter]\u001b[39m,\n",
-       "    EventStreamMarshallerSerFn: \u001b[36m[Getter]\u001b[39m,\n",
-       "    EventStreamPayloadHandler: \u001b[36m[Getter]\u001b[39m,\n",
-       "    EventStreamPayloadHandlerProvider: \u001b[36m[Getter]\u001b[39m,\n",
-       "    EventStreamRequestSigner: \u001b[36m[Getter]\u001b[39m,\n",
-       "    EventStreamSerdeContext: \u001b[36m[Getter]\u001b[39m,\n",
-       "    EventStreamSerdeProvider: \u001b[36m[Getter]\u001b[39m,\n",
-       "    EventStreamSignerProvider: \u001b[36m[Getter]\u001b[39m,\n",
-       "    ExponentialBackoffJitterType: \u001b[36m[Getter]\u001b[39m,\n",
-       "    ExponentialBackoffStrategyOptions: \u001b[36m[Getter]\u001b[39m,\n",
-       "    FinalizeHandler: \u001b[36m[Getter]\u001b[39m,\n",
-       "    FinalizeHandlerArguments: \u001b[36m[Getter]\u001b[39m,\n",
-       "    FinalizeHandlerOutput: \u001b[36m[Getter]\u001b[39m,\n",
-       "    FinalizeRequestHandlerOptions: \u001b[36m[Getter]\u001b[39m,\n",
-       "    FinalizeRequestMiddleware: \u001b[36m[Getter]\u001b[39m,\n",
-       "    FormattedEvent: \u001b[36m[Getter]\u001b[39m,\n",
-       "    GetAwsChunkedEncodingStream: \u001b[36m[Getter]\u001b[39m,\n",
-       "    GetAwsChunkedEncodingStreamOptions: \u001b[36m[Getter]\u001b[39m,\n",
-       "    Handler: \u001b[36m[Getter]\u001b[39m,\n",
-       "    HandlerExecutionContext: \u001b[36m[Getter]\u001b[39m,\n",
-       "    HandlerOptions: \u001b[36m[Getter]\u001b[39m,\n",
-       "    Hash: \u001b[36m[Getter]\u001b[39m,\n",
-       "    HashConstructor: \u001b[36m[Getter]\u001b[39m,\n",
-       "    HeaderBag: \u001b[36m[Getter]\u001b[39m,\n",
-       "    HostAddressType: \u001b[36m[Getter]\u001b[39m,\n",
-       "    HttpAuthDefinition: \u001b[36m[Getter]\u001b[39m,\n",
-       "    HttpAuthLocation: \u001b[36m[Getter]\u001b[39m,\n",
-       "    HttpHandlerOptions: \u001b[36m[Getter]\u001b[39m,\n",
-       "    HttpMessage: \u001b[36m[Getter]\u001b[39m,\n",
-       "    HttpRequest: \u001b[36m[Getter]\u001b[39m,\n",
-       "    HttpResponse: \u001b[36m[Getter]\u001b[39m,\n",
-       "    Identity: \u001b[36m[Getter]\u001b[39m,\n",
-       "    IdentityProvider: \u001b[36m[Getter]\u001b[39m,\n",
-       "    IniSection: \u001b[36m[Getter]\u001b[39m,\n",
-       "    InitializeHandler: \u001b[36m[Getter]\u001b[39m,\n",
-       "    InitializeHandlerArguments: \u001b[36m[Getter]\u001b[39m,\n",
-       "    InitializeHandlerOptions: \u001b[36m[Getter]\u001b[39m,\n",
-       "    InitializeHandlerOutput: \u001b[36m[Getter]\u001b[39m,\n",
-       "    InitializeMiddleware: \u001b[36m[Getter]\u001b[39m,\n",
-       "    Int64: \u001b[36m[Getter]\u001b[39m,\n",
-       "    IntegerHeaderValue: \u001b[36m[Getter]\u001b[39m,\n",
-       "    LongHeaderValue: \u001b[36m[Getter]\u001b[39m,\n",
-       "    MemoizedProvider: \u001b[36m[Getter]\u001b[39m,\n",
-       "    Message: \u001b[36m[Getter]\u001b[39m,\n",
-       "    MessageDecoder: \u001b[36m[Getter]\u001b[39m,\n",
-       "    MessageEncoder: \u001b[36m[Getter]\u001b[39m,\n",
-       "    MessageHeaderValue: \u001b[36m[Getter]\u001b[39m,\n",
-       "    MessageHeaders: \u001b[36m[Getter]\u001b[39m,\n",
-       "    MessageSigner: \u001b[36m[Getter]\u001b[39m,\n",
-       "    MetadataBearer: \u001b[36m[Getter]\u001b[39m,\n",
-       "    MiddlewareStack: \u001b[36m[Getter]\u001b[39m,\n",
-       "    MiddlewareType: \u001b[36m[Getter]\u001b[39m,\n",
-       "    PaginationConfiguration: \u001b[36m[Getter]\u001b[39m,\n",
-       "    Paginator: \u001b[36m[Getter]\u001b[39m,\n",
-       "    ParsedIniData: \u001b[36m[Getter]\u001b[39m,\n",
-       "    Pluggable: \u001b[36m[Getter]\u001b[39m,\n",
-       "    Priority: \u001b[36m[Getter]\u001b[39m,\n",
-       "    Profile: \u001b[36m[Getter]\u001b[39m,\n",
-       "    Provider: \u001b[36m[Getter]\u001b[39m,\n",
-       "    QueryParameterBag: \u001b[36m[Getter]\u001b[39m,\n",
-       "    RegionInfo: \u001b[36m[Getter]\u001b[39m,\n",
-       "    RegionInfoProvider: \u001b[36m[Getter]\u001b[39m,\n",
-       "    RegionInfoProviderOptions: \u001b[36m[Getter]\u001b[39m,\n",
-       "    Relation: \u001b[36m[Getter]\u001b[39m,\n",
-       "    RelativeLocation: \u001b[36m[Getter]\u001b[39m,\n",
-       "    RelativeMiddlewareOptions: \u001b[36m[Getter]\u001b[39m,\n",
-       "    RequestContext: \u001b[36m[Getter]\u001b[39m,\n",
-       "    RequestHandler: \u001b[36m[Getter]\u001b[39m,\n",
-       "    RequestHandlerMetadata: \u001b[36m[Getter]\u001b[39m,\n",
-       "    RequestHandlerOutput: \u001b[36m[Getter]\u001b[39m,\n",
-       "    RequestHandlerProtocol: \u001b[36m[Getter]\u001b[39m,\n",
-       "    RequestPresigner: \u001b[36m[Getter]\u001b[39m,\n",
-       "    RequestPresigningArguments: \u001b[36m[Getter]\u001b[39m,\n",
-       "    RequestSerializer: \u001b[36m[Getter]\u001b[39m,\n",
-       "    RequestSigner: \u001b[36m[Getter]\u001b[39m,\n",
-       "    RequestSigningArguments: \u001b[36m[Getter]\u001b[39m,\n",
-       "    ResponseDeserializer: \u001b[36m[Getter]\u001b[39m,\n",
-       "    ResponseMetadata: \u001b[36m[Getter]\u001b[39m,\n",
-       "    RetryBackoffStrategy: \u001b[36m[Getter]\u001b[39m,\n",
-       "    RetryErrorInfo: \u001b[36m[Getter]\u001b[39m,\n",
-       "    RetryErrorType: \u001b[36m[Getter]\u001b[39m,\n",
-       "    RetryStrategy: \u001b[36m[Getter]\u001b[39m,\n",
-       "    RetryStrategyOptions: \u001b[36m[Getter]\u001b[39m,\n",
-       "    RetryStrategyV2: \u001b[36m[Getter]\u001b[39m,\n",
-       "    RetryToken: \u001b[36m[Getter]\u001b[39m,\n",
-       "    RetryableTrait: \u001b[36m[Getter]\u001b[39m,\n",
-       "    SdkError: \u001b[36m[Getter]\u001b[39m,\n",
-       "    SdkStream: \u001b[36m[Getter]\u001b[39m,\n",
-       "    SdkStreamMixin: \u001b[36m[Getter]\u001b[39m,\n",
-       "    SdkStreamMixinInjector: \u001b[36m[Getter]\u001b[39m,\n",
-       "    SdkStreamSerdeContext: \u001b[36m[Getter]\u001b[39m,\n",
-       "    SerdeContext: \u001b[36m[Getter]\u001b[39m,\n",
-       "    SerializeHandler: \u001b[36m[Getter]\u001b[39m,\n",
-       "    SerializeHandlerArguments: \u001b[36m[Getter]\u001b[39m,\n",
-       "    SerializeHandlerOptions: \u001b[36m[Getter]\u001b[39m,\n",
-       "    SerializeHandlerOutput: \u001b[36m[Getter]\u001b[39m,\n",
-       "    SerializeMiddleware: \u001b[36m[Getter]\u001b[39m,\n",
-       "    SharedConfigFiles: \u001b[36m[Getter]\u001b[39m,\n",
-       "    ShortHeaderValue: \u001b[36m[Getter]\u001b[39m,\n",
-       "    SignableMessage: \u001b[36m[Getter]\u001b[39m,\n",
-       "    SignedMessage: \u001b[36m[Getter]\u001b[39m,\n",
-       "    SigningArguments: \u001b[36m[Getter]\u001b[39m,\n",
-       "    SmithyException: \u001b[36m[Getter]\u001b[39m,\n",
-       "    SourceData: \u001b[36m[Getter]\u001b[39m,\n",
-       "    StandardRetryBackoffStrategy: \u001b[36m[Getter]\u001b[39m,\n",
-       "    StandardRetryToken: \u001b[36m[Getter]\u001b[39m,\n",
-       "    Step: \u001b[36m[Getter]\u001b[39m,\n",
-       "    StreamCollector: \u001b[36m[Getter]\u001b[39m,\n",
-       "    StreamHasher: \u001b[36m[Getter]\u001b[39m,\n",
-       "    StringHeaderValue: \u001b[36m[Getter]\u001b[39m,\n",
-       "    StringSigner: \u001b[36m[Getter]\u001b[39m,\n",
-       "    Terminalware: \u001b[36m[Getter]\u001b[39m,\n",
-       "    TimestampHeaderValue: \u001b[36m[Getter]\u001b[39m,\n",
-       "    TokenIdentity: \u001b[36m[Getter]\u001b[39m,\n",
-       "    TokenIdentityProvider: \u001b[36m[Getter]\u001b[39m,\n",
-       "    URI: \u001b[36m[Getter]\u001b[39m,\n",
-       "    UrlParser: \u001b[36m[Getter]\u001b[39m,\n",
-       "    UserAgent: \u001b[36m[Getter]\u001b[39m,\n",
-       "    UserAgentPair: \u001b[36m[Getter]\u001b[39m,\n",
-       "    UuidHeaderValue: \u001b[36m[Getter]\u001b[39m,\n",
-       "    WaiterConfiguration: \u001b[36m[Getter]\u001b[39m,\n",
-       "    WithSdkStreamMixin: \u001b[36m[Getter]\u001b[39m,\n",
-       "    randomValues: \u001b[36m[Getter]\u001b[39m\n",
-       "  }\n",
-       "}"
-      ]
-     },
-     "execution_count": 17,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "// @lc-docs-hide-cell\n",
     "// Deno requires these imports, and way of loading env vars.\n",
@@ -314,14 +125,15 @@
     "import \"@smithy/util-utf8\";\n",
     "import \"@aws-sdk/types\";\n",
     "import { Bedrock } from \"@langchain/community/llms/bedrock\"\n",
+    "import { getEnvironmentVariable } from \"@langchain/core/utils/env\";\n",
     "\n",
     "const llm = new Bedrock({\n",
     "  model: \"anthropic.claude-v2\",\n",
     "  region: \"us-east-1\",\n",
     "  // endpointUrl: \"custom.amazonaws.com\",\n",
     "  credentials: {\n",
-    "    accessKeyId: Deno.env.get(\"BEDROCK_AWS_ACCESS_KEY_ID\"),\n",
-    "    secretAccessKey: Deno.env.get(\"BEDROCK_AWS_SECRET_ACCESS_KEY\"),\n",
+    "    accessKeyId: getEnvironmentVariable(\"BEDROCK_AWS_ACCESS_KEY_ID\"),\n",
+    "    secretAccessKey: getEnvironmentVariable(\"BEDROCK_AWS_SECRET_ACCESS_KEY\"),\n",
     "  },\n",
     "  temperature: 0,\n",
     "  maxTokens: undefined,\n",
@@ -367,7 +179,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": 3,
    "id": "035dea0f",
    "metadata": {
     "tags": []
@@ -378,10 +190,10 @@
       "text/plain": [
        "\u001b[32m\" Here are a few key points about Bedrock AI:\\n\"\u001b[39m +\n",
        "  \u001b[32m\"\\n\"\u001b[39m +\n",
-       "  \u001b[32m\"- Bedrock was founded in 2021 and is based in San Fran\"\u001b[39m... 113 more characters"
+       "  \u001b[32m\"- Bedrock was founded in 2021 and is based in San Fran\"\u001b[39m... 116 more characters"
       ]
      },
-     "execution_count": 18,
+     "execution_count": 3,
      "metadata": {},
      "output_type": "execute_result"
     }