https://forums.autodesk.com/t5/visual-lisp-autolisp-and-general/check-if-theres-an-attribute/m-p/12286910#M23293 <P>(if&nbsp;(not (vl-catch-all-error-p (setq v (vl-catch-all-apply 'getpropertyvalue (list e "Position")))))...</P> Thu, 05 Oct 2023 13:47:49 GMT ВeekeeCZ 2023-10-05T13:47:49Z https://forums.autodesk.com/t5/visual-lisp-autolisp-and-general/check-if-theres-an-attribute/m-p/12286883#M23292 <P>i want to perform a function only if theres a specific attribute in the block, but i cant get it to work.<BR />I tried this for testing:</P><LI-CODE lang="general">(if (getpropertyvalue (car (entsel "\nEntsel: ")) "plantype") t nil)</LI-CODE><P>but the problem is, that it errors me out if theres no attribute called "plantype". Any workaround for this?</P> Thu, 05 Oct 2023 13:35:53 GMT https://forums.autodesk.com/t5/visual-lisp-autolisp-and-general/check-if-theres-an-attribute/m-p/12286883#M23292 EnM4st3r 2023-10-05T13:35:53Z https://forums.autodesk.com/t5/visual-lisp-autolisp-and-general/check-if-theres-an-attribute/m-p/12286910#M23293 <P>(if&nbsp;(not (vl-catch-all-error-p (setq v (vl-catch-all-apply 'getpropertyvalue (list e "Position")))))...</P> Thu, 05 Oct 2023 13:47:49 GMT https://forums.autodesk.com/t5/visual-lisp-autolisp-and-general/check-if-theres-an-attribute/m-p/12286910#M23293 ВeekeeCZ 2023-10-05T13:47:49Z https://forums.autodesk.com/t5/visual-lisp-autolisp-and-general/check-if-theres-an-attribute/m-p/12286936#M23294 <P>Thank you <span class="lia-unicode-emoji" title=":thumbs_up:">👍</span></P> Thu, 05 Oct 2023 13:56:20 GMT https://forums.autodesk.com/t5/visual-lisp-autolisp-and-general/check-if-theres-an-attribute/m-p/12286936#M23294 EnM4st3r 2023-10-05T13:56:20Z