GenAI | Update execute tool to have name required

.chloggen/toolcall-name-required.yaml

@@ -0,0 +1,22 @@
+# Use this changelog template to create an entry for release notes.
+#
+# If your change doesn't affect end users you should instead start
+# your pull request title with [chore] or use the "Skip Changelog" label.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: breaking
+
+# The name of the area of concern in the attributes-registry, (e.g. http, cloud, db)
+component: gen-ai
+
+# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Execute tool call requires the name of the tool used for span naming.
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+# The values here must be integers.
+issues: [3595]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:

docs/gen-ai/gen-ai-spans.md

@@ -605,10 +605,10 @@ instrumentations do not cover.
 | Key | Stability | [Requirement Level](https://opentelemetry.io/docs/specs/semconv/general/attribute-requirement-level/) | Value Type | Description | Example Values |
 | --- | --- | --- | --- | --- | --- |
 | [`gen_ai.operation.name`](/docs/registry/attributes/gen-ai.md) | ![Development](https://img.shields.io/badge/-development-blue) | `Required` | string | The name of the operation being performed. [1] | `chat`; `generate_content`; `text_completion` |
+| [`gen_ai.tool.name`](/docs/registry/attributes/gen-ai.md) | ![Development](https://img.shields.io/badge/-development-blue) | `Required` | string | Name of the tool utilized by the agent. | `Flights` |
 | [`error.type`](/docs/registry/attributes/error.md) | ![Stable](https://img.shields.io/badge/-stable-lightgreen) | `Conditionally Required` if the operation ended in an error | string | Describes a class of error the operation ended with. [2] | `timeout`; `java.net.UnknownHostException`; `server_certificate_invalid`; `500` |
 | [`gen_ai.tool.call.id`](/docs/registry/attributes/gen-ai.md) | ![Development](https://img.shields.io/badge/-development-blue) | `Recommended` if available | string | The tool call identifier. | `call_mszuSIzqtI65i1wAUOE8w5H4` |
 | [`gen_ai.tool.description`](/docs/registry/attributes/gen-ai.md) | ![Development](https://img.shields.io/badge/-development-blue) | `Recommended` if available | string | The tool description. | `Multiply two numbers` |
-| [`gen_ai.tool.name`](/docs/registry/attributes/gen-ai.md) | ![Development](https://img.shields.io/badge/-development-blue) | `Recommended` | string | Name of the tool utilized by the agent. | `Flights` |
 | [`gen_ai.tool.type`](/docs/registry/attributes/gen-ai.md) | ![Development](https://img.shields.io/badge/-development-blue) | `Recommended` if available | string | Type of the tool utilized by the agent [3] | `function`; `extension`; `datastore` |
 | [`gen_ai.tool.call.arguments`](/docs/registry/attributes/gen-ai.md) | ![Development](https://img.shields.io/badge/-development-blue) | `Opt-In` | any | Parameters passed to the tool call. [4] | {<br>&nbsp;&nbsp;&nbsp;&nbsp;"location": "San Francisco?",<br>&nbsp;&nbsp;&nbsp;&nbsp;"date": "2025-10-01"<br>} |
 | [`gen_ai.tool.call.result`](/docs/registry/attributes/gen-ai.md) | ![Development](https://img.shields.io/badge/-development-blue) | `Opt-In` | any | The result returned by the tool call (if any and if execution was successful). [5] | {<br>&nbsp;&nbsp;"temperature_range": {<br>&nbsp;&nbsp;&nbsp;&nbsp;"high": 75,<br>&nbsp;&nbsp;&nbsp;&nbsp;"low": 60<br>&nbsp;&nbsp;},<br>&nbsp;&nbsp;"conditions": "sunny"<br>} |

model/gen-ai/spans.yaml

@@ -418,7 +418,7 @@ groups:
         requirement_level: required
         sampling_relevant: true
       - ref: gen_ai.tool.name
-        requirement_level: recommended
+        requirement_level: required
       - ref: gen_ai.tool.call.id
         requirement_level:
           recommended: if available