signatureHelp

Capabilities relating to the textDocument/signatureHelp request.

textDocument.signatureHelp.dynamicRegistration
Client Supported Since
Emacs (eglot) -
Neovim -
Visual Studio Code 1.65.2

Whether signature help supports dynamic registration.

since v3.15.0 textDocument.signatureHelp.contextSupport
Client Supported Since
Emacs (eglot) -
Neovim -
Visual Studio Code 1.65.2

The client supports to send additional context information for a textDocument/signatureHelp request. A client that opts into contextSupport will also support the retriggerCharacters on SignatureHelpOptions .

signatureInformation

since v3.16.0 textDocument.signatureHelp.signatureInformation.activeParameterSupport
Client Supported Since
Emacs (eglot) 29.1
Neovim 0.6.1
Visual Studio Code 1.65.2

The client supports the activeParameter property on SignatureInformation literal.

parameterInformation

since v3.14.0 textDocument.signatureHelp.signatureInformation.parameterInformation.labelOffsetSupport
Client Supported Since
Emacs (eglot) 29.1
Neovim 0.6.1
Visual Studio Code 1.65.2

The client supports processing label offsets instead of a simple label string.