DOCS-30: Markdown templating in OpenGraph extensions - #416
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Included review availability: 3 reviews are currently available. Your included PR review attempts over the past 7 days set your current allowance at 5 reviews per hour. WalkthroughThe change adds dedicated Entity Panel content guidance, reduces the Definition Schema page to schema guidance, groups related pages in developer navigation, and updates release-note links and descriptions. ChangesEntity Panel documentation
Priority: ⬇️ Low Estimated code review effort: 2 (Simple) | ~15 minutes Change: Other Suggested reviewers: Merge Risk: ⚪ Minimal · up to The documentation changes introduce no confirmed merge-blocking risk. 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
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craigw-SO
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Going to keep reviewing the actual contents, but wanted to provide this initial feedback so we can start actioning on it if you agree.
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Inline comments:
In `@docs/opengraph/developer/entity-panel-content.mdx`:
- Line 20: Update the info link in the Entity Panel documentation to use the
root-relative definition-schema URL by adding the leading slash, matching the
link style used elsewhere in the file.
In `@docs/resources/release-notes/2026-08-18.mdx`:
- Line 62: Align the release-note sentence with the linked documentation: either
document validation for Enterprise remediation guidance on the target page, or
revise the sentence and link to cover only custom Entity Panel Markdown
validation. Keep the claims and link scope consistent.
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docs/docs.jsondocs/opengraph/developer/entity-panel-content.mdxdocs/opengraph/developer/graph-definition.mdxdocs/resources/release-notes/2026-07-29.mdxdocs/resources/release-notes/2026-08-18.mdx
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| "title": "Overview", | ||
| "position": 1, | ||
| "markdown": { | ||
| "content": "## {{ .Properties.name | default \"Unknown\" }}\n\n**Object ID:** `{{ .Properties.objectid | default \"Unavailable\" }}`" |
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Could we provide an example of what the rendered content would look like?
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Yes, we can but we should also add an example in the static section for consistency.
Before I do that, can you share scenario details about what you'd like the examples to show?
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The main things I think we should show is how template pieces look after being resolved and rendered, and how the markdown looks overall after rendering (how it takes the single line with newline characters and renders the content multi-line. It might be good for at least one example to show the default value being shown, but I think it should be for a less relevant one (like isacl or something, and show "Unknown" like it isn't relevant).
| | Goal | Helpers | | ||
| | --- | --- | | ||
| | Provide fallbacks and test values | `default`, `coalesce`, `empty`, `ternary` | | ||
| | Format text | `trim`, `trimPrefix`, `trimSuffix`, `upper`, `lower`, `title`, `replace`, `trunc`, `substr` | | ||
| | Work with lists | `list`, `join`, `first`, `last`, `has`, `compact`, `sortAlpha`, `len` | | ||
| | Look up map values | `get`, `hasKey`, `keys`, `values` | | ||
| | Compare values | `eq`, `ne`, `lt`, `gt`, `and`, `or`, `not` | | ||
| | Encode or inspect data | `toJson`, `toPrettyJson`, `b64enc`, `b64dec` | | ||
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| Use only helpers that you have tested with the target BloodHound release. BloodHound rejects a schema upload when a template uses an unavailable helper. |
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Looks like we left out a handful of functions. What's the logic behind what to surface vs what's omitted?
For instance, we've omitted the printf function from the broader dev context but also not included it in the helper function list. It seems like a pretty important one to document.
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No strict logic, just a loose assumption that the initial scope was sufficient for an extension author to safely use templating.
When we chatted about creating this PR, it wasn't 100% clear what to include vs what not to include. Should we re-create the source material as-is in the external docs?
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Yea, I think we should cover most, if not all, of the functions that we actually support. You never know what folks do or don't want to use. And also it will help make it more clear what functions we intentionally excluded (if it's not on the list, it's not supported).
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I replaced the dynamic entity panel section with the source material.
| If any Markdown field fails validation, the entire extension definition schema upload fails. | ||
| </Warning> | ||
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| ## Dynamic Entity Panel content |
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Guarding against edge cases seems like an important concept that should be highlighted. Is there a reason we excluded it?
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See previous comment
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I think this is worth including. It's more of a best practice than an essential requirement, but I think it'll be an important one to standardize on for a good UX. So we should set that expectation with the broader audience.
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I think including most of the original authoring guidance is probably the right move. We do need to make some changes since it was originally written for an internal audience though.
| ``` | ||
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| <Tip> | ||
| Draft your Markdown in a Markdown editor, then convert it to a single-line JSON string before adding it to the `content` field. This workflow applies to both static and dynamic content. |
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Should we make it explicit that they should replace newlines with the \n character so that it's abundantly clear?
... then convert it to a single-line JSON string by replacing newlines or returns with
\nbefore adding it to thecontentfield.
| ```markdown | ||
| ## Kerberos Delegation Protection | ||
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| {{ if .Properties.isServiceAccount }} |
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[This is actually a gap in my original guidance, so I'll need to update that]
An important caveat is that most if statements will likely need a comparison operator. We should probably show that reality.
I think the best real world example would look like this:
{{- if (.Properties.isServiceAccount | default "" | lower | eq "true") -}}
Should we include a callout that points out that a basic if function will generally need to guard against edge cases?
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Actually, this may not be required after all. I'm trying to confirm how the templates access boolean values, whether they're actually boolean primitives and handled natively, or if they're handled as strings and need additional processing.
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Ok, so it does treat boolean properties as such. That said, if the property is present, but has an empty/null value then that can break the conditional rendering, so it has to be wrapped with a default.
So it could be reduced to this:
{{- if (default false .Properties.isServiceAccount) -}}
| Continue with the general remediation steps. | ||
| ``` | ||
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| When `isTierZero` is false, the rendered content contains an empty line: | ||
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| ```markdown | ||
| {{- if .Properties.isServiceAccount }} | ||
| This account is a service account. Test dependent services before you change its configuration. | ||
| {{- else }} | ||
| This account is not marked as a service account. | ||
| This account requires delegation protection. | ||
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| Continue with the general remediation steps. | ||
| ``` | ||
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| With trimming around the control-flow actions: | ||
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| ```markdown | ||
| This account requires delegation protection. | ||
| {{- if .Properties.isTierZero }} | ||
| Because it is Tier Zero, review its delegation exposure carefully. | ||
| {{- end }} | ||
| Continue with the general remediation steps. | ||
| ``` | ||
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| When `isTierZero` is false, the rendered content is: | ||
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| ```markdown | ||
| This account requires delegation protection. | ||
| Continue with the general remediation steps. |
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When I wrote the original content, it was for an internal audience. We should strip out references to finding(s) and remediation, I think.
In this case, I think we could replace the general remediation steps with something like next steps and just keep it generic.
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| A conditional can wrap a sentence, paragraph, list, code block, or complete Markdown subsection. This is useful when the same finding needs different explanatory or remediation copy depending on the selected entity's state. | ||
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| For example, the T0MarkSensitive finding could present different Kerberos-delegation remediation guidance for service accounts and non-service accounts. Protected Users might be preferred for non-service accounts, while service accounts may not be compatible with Protected Users; in that case, mark the account as sensitive instead. |
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I just happened to use a common node-based finding that I knew was contextual to show our authors a recognizable example of conditional text.
For an external audience, I think we should sanitize/generalize the example. Happy to help write the copy.
| {{- end -}} | ||
| ``` | ||
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| Do not construct a partially populated query or URL. If a required value is unavailable, omit the generated output or provide a safe fallback that does not expose an invalid link. |
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I'm thinking we should omit explanation for links (including dynamic cypher links) for the external audience. Would you agree?
Links to other BloodHound pages is predominantly useful for us (SpecterOps) and less so for the general community.
I'm also worried about the complexity to Cypher links and the likelihood of users getting it wrong. It's really meant as a stopgap until we can build proper composition view into the product.
| - Link to another BloodHound page: **Links to BloodHound pages** | ||
| - Build a dynamic Cypher query: **Dynamic Cypher links** |
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If we decide to remove the content, let's remove these parts from the listed goals.
| - Build a dynamic Cypher query: **Dynamic Cypher links** | ||
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| Define an `info` section for a node kind or relationship kind, then add Go template expressions to `markdown.content`. | ||
| The panel's section name, title, and position remain static. Templates change the Markdown rendered inside a section; they do not create or remove accordion sections. |
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Let's change remain static back to the agreed are static
| | `.NodeID` | Graph-assigned ID of the node | | ||
| | `.Kinds` | Kinds assigned to the node | | ||
| | `.Properties` | Map of node properties | | ||
| | `.Properties.<property>` | A specific property, such as `.Properties.name` | |
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Let's re-instate the changes you made here, I think they made sense.
| | `.RelationshipID` | Graph-assigned ID of the relationship | | ||
| | `.Kind.Name` | Relationship kind name | | ||
| | `.Properties` | Map of relationship properties | | ||
| | `.Properties.<property>` | A specific property, such as `.Properties.lastseen` | | ||
| | `.Source` | Source node context | | ||
| | `.Target` | Target node context | | ||
| | `.Source.Properties.<property>` | Property on the source node | | ||
| | `.Target.Properties.<property>` | Property on the target node | |
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Similar, let's re-instate the descriptions that you had, I think those were better.
I think we should keep .Properties.<property> though, since that was previously missing.
| Some errors depend on the selected entity and occur only when BloodHound renders the template. In that case, the node or relationship API response retains the unrendered template content and includes a `template_error` value for the affected section. Correct the template and upload the updated extension definition schema. | ||
| | Goal | Supported functions | | ||
| | --- | --- | | ||
| | Defaults and predicates | `default`, `coalesce`, `empty`, `ternary`, `contains`, `hasPrefix`, `hasSuffix`, `eq`, `ne`, `lt`, `gt`, `and`, `or`, `not` | |
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I think a better section name would be Conditional Checks and Null Handling
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Summary
This pull request (PR) adds a new page describing support for dynamic entity panel content using markdown templating in v9.7.0 (derived from internal source material).
It deliberately separates existing markdown validation content from templating guidance:
markdown.contentrow to say it accepts static Markdown or a dynamic template, and link to the new page.Tip
Since we no longer have automatic staging builds, you can build the site locally if a preview is helpful for review.
Summary by CodeRabbit