Added SetMultipleCollateralAssetsAsync

ByBit.Net/Clients/V5/BybitRestClientApiAccount.cs

@@ -66,6 +66,23 @@ public async Task<WebCallResult> SetCollateralAssetAsync(
 
         #endregion
 
+        #region Set Multiple Collateral Assets
+
+        /// <inheritdoc />
+        public async Task<WebCallResult> SetMultipleCollateralAssetsAsync(
+            IEnumerable<BybitSetCollateralAssetRequest> assets,
+            CancellationToken ct = default)
+        {
+            var parameters = new Dictionary<string, object>()
+            {
+                { "request", assets }
+            };
+
+            return await _baseClient.SendRequestAsync(_baseClient.GetUrl("v5/account/set-collateral-switch-batch"), HttpMethod.Post, ct, parameters, true).ConfigureAwait(false);
+        }
+
+        #endregion
+
         #region Switch Cross Isolated Margin
 
         /// <inheritdoc />

ByBit.Net/Interfaces/Clients/V5/IBybitRestClientApiAccount.cs

@@ -398,6 +398,17 @@ Task<WebCallResult> SetCollateralAssetAsync(
             bool useForCollateral,
             CancellationToken ct = default);
 
+        /// <summary>
+        /// Set whether assets should be used for collateral
+        /// <para><a href="https://bybit-exchange.github.io/docs/v5/account/batch-set-collateral" /></para>
+        /// </summary>
+        /// <param name="assets">The assets configuration</param>
+        /// <param name="ct">Cancellation token</param>
+        /// <returns></returns>
+        Task<WebCallResult> SetMultipleCollateralAssetsAsync(
+            IEnumerable<BybitSetCollateralAssetRequest> assets,
+            CancellationToken ct = default);
+
         /// <summary>
         /// Set the margin mode
         /// <para><a href="https://bybit-exchange.github.io/docs/v5/account/set-margin-mode" /></para>

ByBit.Net/Objects/Models/V5/BybitSetCollateralAssetRequest.cs

@@ -0,0 +1,25 @@
+using Newtonsoft.Json;
+
+namespace Bybit.Net.Objects.Models.V5
+{
+    /// <summary>
+    /// Request info
+    /// </summary>
+    public class BybitSetCollateralAssetRequest
+    {
+        /// <summary>
+        /// The asset
+        /// </summary>
+        [JsonProperty("coin")]
+        public string Asset { get; set; } = string.Empty;
+
+        [JsonProperty("collateralSwitch")]
+        private string _useForCollateral => UseForCollateral ? "ON" : "OFF";
+
+        /// <summary>
+        /// Use this asset for collateral
+        /// </summary>
+        [JsonIgnore]
+        public bool UseForCollateral { get; set; }
+    }
+}