# VectorSearchRequest
> Tracon documentation. Tracon is a .NET package family that adds a control
> plane on Microsoft Agent Framework, published as NuGet packages that run
> inside your own ASP.NET Core application.
>
> Page: https://tracon.dev/api/tracon.vectorsearchrequest/
> Summary: VectorSearchRequest: A semantic search request.
Namespace Tracon · Assembly Tracon.Abstractions.dll
A semantic search request.
```csharp
public sealed record VectorSearchRequest : IEquatable
```
- Inheritance
- object ← VectorSearchRequest
- Implements
- IEquatable<VectorSearchRequest>
- Inherited Members
- object.GetType(), object.ToString(), object.Equals(object?), object.Equals(object?, object?), object.ReferenceEquals(object?, object?), object.GetHashCode()
## Constructors
### VectorSearchRequest\(\)
```csharp
public VectorSearchRequest()
```
## Properties
### Collection
The collection name.
```csharp
public required string Collection { get; init; }
```
#### Property Value
[string](https://learn.microsoft.com/dotnet/api/system.string)
### MaxDistance
The largest cosine distance accepted (0 = identical, 2 = opposite).
No distance filter is applied when [null](https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null).
```csharp
public double? MaxDistance { get; init; }
```
#### Property Value
[double](https://learn.microsoft.com/dotnet/api/system.double)?
### QueryEmbedding
The embedding of the query text.
```csharp
public required ReadOnlyMemory QueryEmbedding { get; init; }
```
#### Property Value
[ReadOnlyMemory](https://learn.microsoft.com/dotnet/api/system.readonlymemory\-1)<[float](https://learn.microsoft.com/dotnet/api/system.single)\>
### TenantId
The tenant identifier.
```csharp
public required string TenantId { get; init; }
```
#### Property Value
[string](https://learn.microsoft.com/dotnet/api/system.string)
### Top
The number of results to return.
```csharp
public int Top { get; init; }
```
#### Property Value
[int](https://learn.microsoft.com/dotnet/api/system.int32)
## Methods
### Equals\(object?\)
```csharp
public override bool Equals(object? obj)
```
#### Parameters
`obj` [object](https://learn.microsoft.com/dotnet/api/system.object)?
#### Returns
[bool](https://learn.microsoft.com/dotnet/api/system.boolean)
### Equals\(VectorSearchRequest?\)
```csharp
public bool Equals(VectorSearchRequest? other)
```
#### Parameters
`other` [VectorSearchRequest](/api/tracon.vectorsearchrequest/)?
#### Returns
[bool](https://learn.microsoft.com/dotnet/api/system.boolean)
### GetHashCode\(\)
```csharp
public override int GetHashCode()
```
#### Returns
[int](https://learn.microsoft.com/dotnet/api/system.int32)
### ToString\(\)
```csharp
public override string ToString()
```
#### Returns
[string](https://learn.microsoft.com/dotnet/api/system.string)
## Operators
### operator ==\(VectorSearchRequest?, VectorSearchRequest?\)
```csharp
public static bool operator ==(VectorSearchRequest? left, VectorSearchRequest? right)
```
#### Parameters
`left` [VectorSearchRequest](/api/tracon.vectorsearchrequest/)?
`right` [VectorSearchRequest](/api/tracon.vectorsearchrequest/)?
#### Returns
[bool](https://learn.microsoft.com/dotnet/api/system.boolean)
### operator \!=\(VectorSearchRequest?, VectorSearchRequest?\)
```csharp
public static bool operator !=(VectorSearchRequest? left, VectorSearchRequest? right)
```
#### Parameters
`left` [VectorSearchRequest](/api/tracon.vectorsearchrequest/)?
`right` [VectorSearchRequest](/api/tracon.vectorsearchrequest/)?
#### Returns
[bool](https://learn.microsoft.com/dotnet/api/system.boolean)