# Frequently Asked Questions

### How do I write KQL to find items with empty fields?

[Read more](https://support.ketryx.com/hc/en-us/articles/42928936616717-How-do-I-write-KQL-to-find-items-with-empty-fields)

### What are my options for electronic signatures in Ketryx?

[Read more](https://support.ketryx.com/hc/en-us/articles/42366628823181-What-are-my-options-for-electronic-signatures-in-Ketryx)

### Why are the changes that I made to advanced settings not syncing in my project?

[Read more](https://support.ketryx.com/hc/en-us/articles/40768991039245-Why-are-the-changes-that-I-made-to-advanced-settings-not-syncing-in-my-project)

### Why is my custom item type not showing up with default relations?

[Read more](https://support.ketryx.com/hc/en-us/articles/40223990284173-Why-is-my-custom-item-type-not-showing-up-with-default-realtions)

### How can I make a custom read-only field with a default value appear only for a specific item type in Ketryx?

[Read more](https://support.ketryx.com/hc/en-us/articles/39870359050509-How-can-I-make-a-custom-read-only-field-with-a-default-value-appear-only-for-a-specific-item-type-in-Ketryx)

### What is the "Reference as a used service" check box for?

[Read more](https://support.ketryx.com/hc/en-us/articles/39686428032013-What-is-the-Reference-as-a-used-service-check-box-for)

### Do system-level controls apply to custom item types?

[Read more](https://support.ketryx.com/hc/en-us/articles/39101855857805-Do-system-level-controls-apply-to-custom-item-types)

### Why are my statuses in Jira not syncing to the correct states in Ketryx?

[Read more](https://support.ketryx.com/hc/en-us/articles/38927784039821-Why-are-my-statuses-in-Jira-not-syncing-to-the-correct-states-in-Ketryx)

### For fields in Jira with field types "Paragraph" and “Number,” how do I add them into custom item fields configuration?

[Read more](https://support.ketryx.com/hc/en-us/articles/38927573261197-For-fields-in-Jira-with-field-types-Paragraph-and-Number-how-do-I-add-them-into-custom-item-fields-configuration)

### Can I change the version number pattern in an existing project?

[Read more](https://support.ketryx.com/hc/en-us/articles/38906394897037-Can-I-change-the-version-number-pattern-in-an-existing-project)

### What fields can be retrieved through REST API call?

[Read more](https://support.ketryx.com/hc/en-us/articles/38216521340557-What-fields-can-be-retrieved-through-REST-API-call)

### Can an item retain its approvals when transitioning from a controlled status (e.g., Closed/Approved) to 'Obsolete'?

[Read more](https://support.ketryx.com/hc/en-us/articles/38205586792973-Can-an-item-retain-its-approvals-when-transitioning-from-a-controlled-status-e-g-Closed-Approved-to-Obsolete)

### What are the definitions and origins of the change types listed in our Work Instructions (Corrective, Preventive, Adaptive, Perfective), and can these be customized in Ketryx?

[Read more](https://support.ketryx.com/hc/en-us/articles/38158862911757-What-are-the-definitions-and-origins-of-the-change-types-listed-in-our-Work-Instructions-Corrective-Preventive-Adaptive-Perfective-and-can-these-be-customized-in-Ketryx)

### How do I exclude items with an 'obsolete' status from Ketryx?

[Read more](https://support.ketryx.com/hc/en-us/articles/35940769861901-How-do-I-exclude-items-with-an-obsolete-status-from-Ketryx)

### Can I connect a Jira Project to Ketryx and then utilize Ketryx items to build out my Jira project without creating items in Jira?

[Read more](https://support.ketryx.com/hc/en-us/articles/35458958465165-Can-I-connect-a-Jira-Project-to-Ketryx-and-then-utilize-Ketryx-items-to-build-out-my-Jira-project-without-creating-items-in-Jira)

### How do I configure my total probability risk matrix if I do not utilize P1 and P2 values?

[Read more](https://support.ketryx.com/hc/en-us/articles/35452806088333-How-do-I-configure-my-total-probability-risk-matrix-if-I-do-not-utilize-P1-and-P2-values)

### If I want a specific approval rule to only apply to certain types of requirements, is that possible and how do I configure Ketryx?

[Read more](https://support.ketryx.com/hc/en-us/articles/35452024285581-If-I-want-a-specific-approval-rule-to-only-apply-to-certain-types-of-requirements-is-that-possible-and-how-do-I-configure-Ketryx)

### How do I map relation names to Ketryx relation types when fetching data from Jira?

[Read more](https://support.ketryx.com/hc/en-us/articles/35448737563661-How-do-I-map-relation-names-to-Ketryx-relation-types-when-fetching-data-from-Jira)

### How do I create a custom item type in Ketryx?

[Read more](https://support.ketryx.com/hc/en-us/articles/34864380894221-How-do-I-create-a-custom-item-type-in-Ketryx)

### Are the signatures in Jira part 11 compliant or just the final document signatures?

[Read more](https://support.ketryx.com/hc/en-us/articles/34659561469069-Are-the-signatures-in-Jira-part-11-compliant-or-just-the-final-document-signatures)

### How can I upload a CycloneDX Artifact through Build API?

[Read more](https://support.ketryx.com/hc/en-us/articles/34640773879949-How-can-I-upload-a-CycloneDX-Artifact-through-Build-API)

### What Advanced Settings should I change when I "Use existing Jira configuration" for a new Ketryx Project

[Read more](https://support.ketryx.com/hc/en-us/articles/34459704197261-What-Advanced-Settings-should-I-change-when-I-Use-existing-Jira-configuration-for-a-new-Ketryx-Project)

### Can I reverse a change in Jira and Ketryx?

[Read more](https://support.ketryx.com/hc/en-us/articles/34411871899789-Can-I-reverse-a-change-in-Jira-and-Ketryx)

### How can I add my own types of requirements in the Ketryx Requirement Type field?

[Read more](https://support.ketryx.com/hc/en-us/articles/33980507891597-How-can-I-add-my-own-types-of-requirements-in-the-Ketryx-Requirement-Type-field)

### How can I create a custom field that is also editable in Ketryx?

[Read more](https://support.ketryx.com/hc/en-us/articles/33980076701581-How-can-I-create-a-custom-field-that-is-also-editable-in-Ketryx)

### Can I omit the need for owner approval for certain items?

[Read more](https://support.ketryx.com/hc/en-us/articles/33951656694285-Can-I-omit-the-need-for-owner-approval-for-certain-items)

### Can I export Risk items from Ketryx?

[Read more](https://support.ketryx.com/hc/en-us/articles/33815149142925-Can-I-export-Risk-items-from-Ketryx)

### Can I change the timezone on my templated documents?

[Read more](https://support.ketryx.com/hc/en-us/articles/32427960165005-Can-I-change-the-timezone-on-my-templated-documents)

### How do I change the tag delimiter in a templated document?

[Read more](https://support.ketryx.com/hc/en-us/articles/30636900050189-How-do-I-change-the-tag-delimiter-in-a-templated-document)

### Can Ketryx invalidate items that use custom workflows?

[Read more](https://support.ketryx.com/hc/en-us/articles/30580999441421-Can-Ketryx-invalidate-items-that-use-custom-workflows)